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JS入门

2016-04-02 12:50 387 查看
</pre><pre name="code" class="html"><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>
JS入门
</title>
<style>
#demo{width:200px;height:200px;background:red}
</style>
<script>
function toGreen() {
var e = document.getElementById('demo');
e.style.width = '300px';
e.style.height = '300px';
e.style.background = 'green';
}
function toRed() {
var e = document.getElementById('demo');
e.style.width = '200px';
e.style.height = '200px';
e.style.background = 'red';
}
</script>
</head>
<body>
<div id="demo" onmouseover="toGreen()" ;="" onmouseout="toRed()">
</div>
</body>
</html>
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