<h1>Loop & Array</h1>
    <script>
      var coworkers = ['egoing','leezche','duru','taeho'];
    </script>
    <h2>Co workers</h2>
    <ul>
      <script>
        var i = 0;
        while(i < coworkers.length){
          document.write('<li><a href="http://a.com/'+coworkers[i]+'">'+coworkers[i]+'</a></li>');
          i = i + 1;
        }
      </script>
</ul>