JavaScript DHTML/Mochkit/forEach

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forEach handles array-like iterables

   <source lang="html4strict">


<html> <head>

   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Base.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/DOM.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Style.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Logging.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>

</head> <body>

<script type="text/javascript">
    var rval = [];
    var o = [0, 1, 2, 3];
    o.next = range(2).next;
    forEach(o, rval.push, rval);
    alert( rval.length );
</script>

</body> </html>

 </source>
   
  


forEach works bound

   <source lang="html4strict">


<html> <head>

   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Base.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/DOM.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Style.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Logging.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>

</head> <body>

<script type="text/javascript">
    var rval = [];
    forEach(range(2), rval.push, rval);
    alert( compare(rval, [0, 1]));
</script>

</body> </html>

 </source>
   
  


forEach works unbound

   <source lang="html4strict">


<html> <head>

   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Base.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/DOM.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Style.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Logging.js"></script>
   <script type="text/javascript" src="MochiKit-1.4.2/lib/MochiKit/Iter.js"></script>

</head> <body>

<script type="text/javascript">
var rval = [];
    function foo(o) {
        rval.push(o);
    }
    forEach(range(2), foo);
    alert( compare(rval, [0, 1, 0, 1]));
</script>

</body> </html>

 </source>