转发！HTML 复选框 checkbox 的 JavaScript 的全选和全反选

checkbox 或者按钮实现 form 内的 checkbox 全选或者反选，代码很简单，全部代码如下：

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>check test</title>
</head>
<body>
<form name="formGroup" id="formGroup" action="#" method="post" target="_self">
<table border="1" cellpadding="2" cellspacing="1" class="table_hide">
<tr class="table_title">
<td width="50" align="center" class="text_center">序号</td>
<td width="40" align="center" class="text_center">选择</td>
<td width="100" align="center"></td>
<td width="100" align="center"></td>
</tr>
<tr>
<td align="center" class="text_center">1</td>
<td align="center" class="text_center"><input name="groupCheckbox" type="checkbox" value="" class="input_hide"></td>
<td align="center"></td>
<td align="center"></td>
</tr>
<tr>
<td align="center" class="text_center">2</td>
<td align="center" class="text_center"><input name="groupCheckbox" type="checkbox" value="" class="input_hide"></td>
<td align="center"></td>
<td align="center"></td>
</tr>
<tr>
<td align="center" class="text_center">3</td>
<td align="center" class="text_center"><input name="groupCheckbox" type="checkbox" value="" class="input_hide"></td>
<td align="center"></td>
<td align="center"></td>
</tr>
<tr>
<td align="center">全选</td>
<td align="center"><input name="" type="checkbox" class="input_hide" onClick="CheckSelect(this.form);return false;" value=""></td>
<td align="center"><input name="" type="button" class="input_hide" onClick="CheckSelect(this.form);return false;" value="选/反选"></td>
<td align="center"></td>
</tr>
</table>
</form>
</body>
<script type="text/javascript">
// 选择或者反选 checkbox
function CheckSelect(thisform)
{
// 遍历 form
for ( var i = 0; i < thisform.elements.length; i++)
{
// 提取控件
var checkbox = thisform.elements[i];
// 检查是否是指定的控件
if (checkbox.name === "groupCheckbox" && checkbox.type === "checkbox" && checkbox.checked === false)
{
// 正选
checkbox.checked = true;
}
else if (checkbox.name === "groupCheckbox" && checkbox.type === "checkbox" && checkbox.checked === true)
{
// 反选
checkbox.checked = false;
}
}
}
</script>
</html>

效果演示