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1. regexify regexify Public

   🛠 Live JavaScript RegExp tester

   JavaScript 12 3

2. beat-the-ai beat-the-ai Public

   🤖 Try to write a JavaScript function that beats the AI in a game called Five in a Row

   TypeScript 1

3. pomodoro-timer pomodoro-timer Public

   🍅 Time management tool designed to boost productivity and focus

   TypeScript

4. game-of-life game-of-life Public

   🦠 A simple web app to see how Svelte, SvelteKit and Server Side Rendering work.

   JavaScript

5. 📏 Bookmarklet to measure any element... 📏 Bookmarklet to measure any element on a webpage

   1

   Create a new bookmark with the following URL (or execute it in a Dev Console):

   2

   ```javascript

   3

   javascript:{/*! v1.1 */const x=new AbortController,d=document,a=(e,s,o=d.body)=>o.addEventListener(e,s,{signal:x.signal}),p=(e,s={},o=[])=>{const r=d.createElement(e);return Object.entries(s).map(([i,g])=>r[i]=g),r.append(...o),r},f=p("div",{style:"all:revert;height:10px;align-self:start;background:no-repeat 50%/100% 2px linear-gradient(#000,#000 1px,#fff 0,#fff 2px,transparent 0);border-color:#000;border-width:0 1px 0;border-style:solid;cursor:ew-resize;user-select:none;"}),y=p("div",{style:"all:revert;padding:1px 2px;align-self:center;border-radius:2px;font:700 12px system-ui;color:#fff;background:#000;cursor:move;user-select:none;"}),n=p("div",{tabIndex:0,style:"all:revert;position:absolute;display:inline-flex;flex-direction:column;gap:1px;outline-offset:1px;"},[f,y]),u={x:e=>n.style.left=e+"px",y:e=>n.style.top=e+"px",s:e=>y.textContent=f.style.width=e+"px",f:e=>e?(n.style.zIndex=1e9,n.style.opacity=1):(n.style.zIndex=1e8,n.style.opacity=.4)},t=new Proxy({},{set(e,s,o){u[s](o),e[s]=o}});d.body.append(n),a("focus",()=>t.f=!0,n),a("blur",()=>t.f=!1,n);let c,l={};a("keydown",e=>{const{key:s,repeat:o}=e;if(["Backspace","Escape"].includes(s)){x.abort(),n.remove();return}if(s==="s"){e.preventDefault(),console.log(`Ruler's position: [${t.x}, ${t.y}], size: ${t.s}px`);return}const r={"+":[1,0],"-":[-1,0],ArrowUp:[0,-1],ArrowLeft:[-1,0],ArrowDown:[0,1],ArrowRight:[1,0]}[s];if(r){e.preventDefault();const i=o?5:1;s.startsWith("Arrow")?(t.x+=r[0]*i,t.y+=r[1]*i):t.s+=r[0]*i}},n),a("mousedown",({target:e,clientX:s,clientY:o})=>{c=e===f?"r":"m",l.s={...t},l.c={x:s,y:o}},n),a("mouseup",()=>c=void 0),a("mousemove",({buttons:e,clientX:s,clientY:o})=>{if(e&1&&c){const i={x:s-l.c.x,y:o-l.c.y};c==="m"?(t.x=l.s.x+i.x,t.y=l.s.y+i.y):t.s=l.s.s+i.x}}),t.x=t.y=t.s=100,n.focus()}

   4

   ```

   5