动态加载javascript

jickcai · 发表于 2013-2-7 21:26:02

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>动态加载js</title>
<link href="style.css" rel="stylesheet" type="text/css">
<script>
function addScript(id,url){
var script = document.getElementById(id);
var head = document.getElementsByTagName("head").item(0);
if (script) {
head.removeChild(script);
}
script = document.createElement("script");
script.setAttribute("src", url);
script.setAttribute("id",id);
script.setAttribute("type","text/javascript");
script.setAttribute("language","javascript");
head.appendChild(script);
return script;
}
</script>
</head>
<body>
动态加载js
</body>
<script>
var script=addScript("one","script/jquery.js");
</script>
</html>

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