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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>实例015</title>
</head>
<body>
<form>
<label for="one"><input onclick="qx(this)" id="one" type="checkbox" >全选</label><br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
<input type="checkbox" name="username[]" value="handsomehan">handsomehan<br>
</form>
<script>
var obj = document.getElementsByName("username[]");
function qx(o) {
for(var i = 0; i < obj.length; i ++) {
obj[i].checked = o.checked;
}
}
</script>
</body>
</html>
Example015实现html中checkbox的全选和反选（2）
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原文地址：http://www.cnblogs.com/handsomehan/p/5373128.html
