<html>
<head>
<script type="text/javascript" src="jquery-1.12.4.js"></script>
</head>
<body>
<a id="test1" href="javascript:void(0)">test1</a>
<a id="test2" href="javascript:void(0)">test2</a>
<a id="test3" href="javascript:void(0)">test3</a>
<a id="test4" href="javascript:void(0)">test4</a>
<script type="text/javascript">
for(var i = 1;i<=$("a[id^='test']").size();i++){
$("#test"+i).attr("href","http://www.test"+i +".com");
}
</script>
</body>
</html>jquery选择器根据id搜索元素并且批量处理
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