<html>
<head>
<script>
window.onload=function(){
b.onclick=function(){
var liTag=document.createElement("li");
liTag.innerHTML="cc";
olTag.insertBefore(liTag,lid);
}
}
</script>
</head>
<body>
<ol id="olTag">
<li>aa</li>
<li>bb</li>
<li id=lid>dd</li>
</ol>
<input type="button" id="b">
</body>
</html>
<head>
<script>
window.onload=function(){
b.onclick=function(){
var liTag=document.createElement("li");
liTag.innerHTML="cc";
olTag.insertBefore(liTag,lid);
}
}
</script>
</head>
<body>
<ol id="olTag">
<li>aa</li>
<li>bb</li>
<li id=lid>dd</li>
</ol>
<input type="button" id="b">
</body>
</html>
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