MMJiao
2016-12-07 17:45
<script type="text/javascript">
var otest = document.getElementById("test");
var newnode = document.createElement("li");
newnode.innerHTML = "PHP";
otest.insertBefore(newnode,otets.lastChild);
</script>
otets.lastChild写错了,应该是otest.lastChild
otest.insertBefore(newnode, otest );
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