<html>
<div id="i">
<div id="i2">22</div>
</div>
</html>
<script>
var i = document.getElementById("i");
var i2 = document.getElementById("i2");
var i1 = document.createElement("a");
i.insertBefore(i1,i2);
alert(document.getElementById("i").innerHTML)
</script>
js操作dom
最新推荐文章于 2025-04-16 17:01:10 发布