下面是each()方法的遍历示范
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<title>使用Enumerable</title>
<meta name="author" content="Yeeku.H.Lee" />
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<body>
<div id="show"></div>
<script src="js/prototype-1.6.0.3.js" type="text/javascript"></script>
<script type="text/javascript">
//定义一个数组
var a = [ 20, 30, 40, 50 ];
//each自动遍历a数组的每个元素,并将元素、索引传入函数
a.each(function(value, index) {
$("show").innerHTML += "第" + index + "元素的值是: " + value + "<br />";
});
</script>
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