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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>Change.html</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!--<link rel="stylesheet" type="text/css" href="./styles.css">-->
<script language="javascript">
function test4(event) {
if(event.value == "11") {
//??div1
//var div1 = document.getElementById(‘div1‘);
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
div1.style.backgroundColor="black";
div2.disabled = true;
div2.readOnly = true;
}
if(event.value == "22") {
//??div1
//var div1 = document.getElementById(‘div1‘);
var div1 = document.getElementById("div1");
var div2 = document.getElementById("div2");
div1.style.backgroundColor="red";
div2.disabled = false;
div2.readOnly = false;
}
}
</script>
</head>
<body>
<!--<div id="div1" style="width:400px; height:300px; background-color:red;">div1</div>-->
<div id="div1" style="width:400px; height:300px; background-color:red;">div1</div>
<input type="text" id="div2" value=""/>
<input type="button" value="11" onclick="test4(this)"/>
<input type="button" value="22" onclick="test4(this)"/>
</body>
</html>
不配图，复制代码一运行就能知道
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原文地址：http://www.cnblogs.com/sunxun/p/4325176.html
