test map : map « Mochkit « JavaScript DHTML






test map

 
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<!-- Code revised from MochiKit demo code -->

<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>

<pre id="test">
<script type="text/javascript">

    var minusOne = function (x) { return x - 1; };
    var res = map(minusOne, [1, 2, 3]);
    alert( objEqual(res, [0, 1, 2]), "map works" );

    var res2 = xmap(minusOne, 1, 2, 3);
    alert( objEqual(res2, res), "xmap works" );

    res = map(operator.add, [1, 2, 3], [2, 4, 6]);
    alert( objEqual(res, [3, 6, 9]), "map(fn, p, q) works" );

    res = map(operator.add, [1, 2, 3], [2, 4, 6, 8]);
    alert( objEqual(res, [3, 6, 9]), "map(fn, p, q) works (q long)" );

    res = map(operator.add, [1, 2, 3, 4], [2, 4, 6]);
    alert( objEqual(res, [3, 6, 9]), "map(fn, p, q) works (p long)" );

    res = map(null, [1, 2, 3], [2, 4, 6]);
    alert( objEqual(res, [[1, 2], [2, 4], [3, 6]]), "map(null, p, q) works" );

    res = zip([1, 2, 3], [2, 4, 6]);
    alert( objEqual(res, [[1, 2], [2, 4], [3, 6]]), "zip(p, q) works" );

    res = map(null, [1, 2, 3]);
    alert( objEqual(res, [1, 2, 3]), "map(null, lst) works" );



</script>
</pre>
</body>
</html>

   
  








Related examples in the same category

1.map(fn, iterable)
2.map(fn, iterable, q)
3.map(fn, iterable, iterable)