Notika314.github.io/cheat-sheet.html at master · Notika314/Notika314.github.io · GitHub

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<!DOCTYPE html>
<head>
  <title>Cheatsheet</title>
  <meta charset="UTF-8">
  <link rel="stylesheet" type="text/css" href="newcss.css"/>

</head>
<body style="background-image:url(http://www.womenshealthmag.com/files/wh6_uploads/images/froot-loops.jpg)">
  <div id="container">
     <h1>Looping in Ruby vs looping in Javascript</h1>
     <div class="loop">
         <h2>Looping with 'while'</h2>
         <div class="left">
          <h4>Ruby</h4>
          <pre>
                while /condition/ do
                  .........
                end
          </pre>
      </div>
        <div class="right">
            <h4>Javascript</h4>
            <pre>
    while (/condition/) {
    ...........
  }
          </pre>
        </div>
     </div>

       <div class="loop">
           <h2>Looping certain amount of times</h2>
           <div class="left">
            <h4>Ruby</h4>
            <pre>
                n.times do
                  ..........
                end
            </pre>
        </div>
          <div class="right">
              <h4>Javascript</h4>
              <pre>
   for ( var n=x; n /condition/; n++) {
     .........
   }
        </pre>
          </div>
       </div>

        <div class="loop">
               <h2>Iterating through elements of array</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
                array.each do
                  ..........
                end
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
                  <pre>
    var a = array;
    for (var i=0; i < a.length; i++) {
      .......................
    }
                </pre>
              </div>
           </div>
           <div class="loop">
               <h2>breaking out of loop</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
                          break
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
                  <pre>
                        break
                </pre>
              </div>
           </div>
           <div class="loop">
               <h2>Each method</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
            array.each {|element| code}
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
                  <pre>
    var each = function(array,func) {
        for (var i=0; i < array.length; i++) {
        func(array[i]);
      }
     };
      var bugs = [/array/];
      each(bugs,function(x) {console.log(x);});
                </pre>
              </div>
           </div>
<div class="loop">
               <h2>'map' method</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
                array.map {|element| code}
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
                  <pre>
          var results =[];
          for (var i=0; i < array.length; i++) {
            results.push(func(array[i]));
          }
          return results;
            };
            var nums = [5,12,2,32,54];
            var timesTwo=function(x){return x*2};
            var numsTimesTwo = map(nums,timesTwo);
                </pre>
              </div>
           </div>

           <div class="loop">
               <h2>'select' method</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
                   array.select {|element| code}
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
 <pre>
          var select = function(array,func)    {
            var results =[];
            for (var i=0; i < array.length; i++) {
            if (func(array[i])) {
             results.push(func(array[i]));
            }
          }
        return results;
          };

           </pre>
              </div>
           </div>
<div class="loop">
               <h2>'max' method</h2>
               <div class="left">
                <h4>Ruby</h4>
                <pre>
              array.max
                  </pre>
            </div>
              <div class="right">
                  <h4>Javascript</h4>
 <pre>
            var max = function(array)    {
              var biggest =array[0];
              for (var i=0; i < array.length; i++) {
              if (array[i] > biggest) {
               biggest = array[i]
              }
            }
          return biggest;
            };

           </pre>
              </div>
           </div>


  </div>
  </body></html>