Mega Code Archive
Reference array element by random index value
<![CDATA[
< html>
<head>
<title>Example</title>
</head>
<body>
<script type="text/javascript">
function selectFrom(iFirstValue, iLastValue) {
var iChoices = iLastValue - iFirstValue + 1;
return Math.floor(Math.random() * iChoices + iFirstValue);
}
var aColors = ["A", "B", "C", "D", "E", "F", "G"];
var index = selectFrom(0, aColors.length-1);
var sColor = aColors[index];
alert(sColor);
</script>
</body>
</html>
]]>