DOM_插入节点
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="" type="text/css">
<script type="text/javascript" src=""></script>
</head>
<body>
<!--<p id="newP">helloworld</p>-->
<p id="js">JavaScript</p>
<div id="list">
<p id="se">JavaSE</p>
<p id="ee">JavaEE</p>
<p id="me">JavaME</p>
</div>
<script>
var js = document.getElementById("js");
var list = document.getElementById("list");
//创建一个普通标签节点
var newP = document.createElement('p');
newP.id = "newP";
newP.innerText = "helloworld";
list.appendChild(newP)
//创建一个script节点
var myScript = document.createElement('script');
myScript.setAttribute('type','text/javascript')
//创建一个style标签
var myStyle = document.createElement('style');
myStyle.setAttribute('type','text/css');
myStyle.innerHTML = 'body{background-color:pink}';
document.getElementsByTagName('head')[0].appendChild(myStyle)
</script>
</body>
</html>
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