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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title></title>
</head>
<body>
<input type="button" value="反选">
<input type="button" value="全选">
<input type="button" value="全不选">
<ul>
<li><input type="checkbox" checked></li>
<li><input type="checkbox" ></li>
<li><input type="checkbox" ></li>
<li><input type="checkbox" ></li>
<li><input type="checkbox" checked></li>
</ul>
<script>
window.onload = function(){
var aInput = document.getElementsByTagName(‘input‘);
aInput[0].onclick = function(){
for(var i = 3; i < aInput.length; i++){
var isChecked = aInput[i].checked
aInput[i].checked = !isChecked;
}
}
aInput[1].onclick = function(){
for(var i = 3; i < aInput.length; i++){
aInput[i].checked = true;
}
}
aInput[2].onclick = function(){
for(var i = 3; i < aInput.length; i++){
aInput[i].checked = false;
}
}
}
</script>
</body>
</html>
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原文地址：http://www.cnblogs.com/bravolove/p/5982785.html
