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<!-- JavaScript:Arrays code snippet 5a. -->
<!-- Experimenting with the array size or 'length' property: -->
<!-- dynamic arrays. -->

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<body>
<script language="JavaScript" type="text/javascript">
//<![CDATA[
/* Create an array of a predefined size (2) and assign values to index values larger 
than the array size: results in extending the array size to accommodate the values */
var markArray1 = new Array (2);
 markArray1[0] = 85;
 markArray1[1] = 96;
 markArray1[2] = 50;
 markArray1[3] = 45;
 markArray1[4] = 63;
document.write('An array of a predefined size (2) that has been extended' + '<br />');
for (var mark = 0; mark < markArray1.length; mark = mark + 1)
{
    document.write(markArray1[mark] + '<br />')
}

/* Create an array without first defining the size and assign a value to 
a random index value: results in leaving the first part of the array 'empty' */
var markArray2 = new Array ();
 markArray2[8] = 20;
document.write('An array of a undefined size with random index value assigned' + '<br />');
for (var mark = 0; mark < markArray2.length; mark = mark + 1)
{
    document.write(markArray2[mark] + '<br />')
}
//]]>
</script>

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