SimpleForm.js

//Create a simple multiplication table asking the user the number of rows and columns he wants.
var rows = prompt("How many rows for your multiplication table?");
var cols = prompt("How many columns for your multiplication table?");
if(rows == "" || rows == null)
        rows = 10;
if(cols== "" || cols== null)
        cols = 10;
createTable(rows, cols);
function createTable(rows, cols)
{
  var j=1;
  var output = "<table border='1' width='500' cellspacing='0'cellpadding='5'>";
  for(i=1;i<=rows;i++)
  {
    output = output + "<tr>";
    while(j<=cols)
    {
        output = output + "<td>" + i*j + "</td>";
         j = j+1;
       }
        output = output + "</tr>";
        j = 1;
}
output = output + "</table>";
document.write(output);
}