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Copy path46（鼠标事件练习4）.html
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46（鼠标事件练习4）.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
body{
background-color:red;
}
</style>
</head>
<body>
<div class="box">
<div class="a" id="aa" style="background-color:red;width:100px;height: 20px;"></div>
<div class="b" id="bb" style="background-color:green;width:100px;height: 20px;"></div>
<div class="c" id="cc" style="background-color:blue;width:100px;height: 20px;"></div>
<div class="d" id="dd" style="background-color:pink;width:100px;height: 20px;"></div>
</div>
<script>
var aa=document.getElementById("aa");
var bb=document.getElementById("bb");
var cc=document.getElementById("cc");
var dd=document.getElementById("dd");
document.getElementById("aa").onclick=function(){
document.body.style.backgroundColor="red";
}
bb.onclick=function(){
document.body.style.backgroundColor="green";
}
cc.onclick=function(){
document.body.style.backgroundColor="blue";
}
dd.onclick=function(){
document.body.style.backgroundColor="pink";
}
</script>
</body>
</html>