<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<script type="text/javascript">
function checkAll() {
var checkAllEle = document.getElementById("checkAll");
if (checkAllEle.checked == true) {
var checkOnes = document.getElementsByName("checkOne");
for (var i = 0; i < checkOnes.length; i++) {
checkOnes[i].checked = true;
}
} else {
var checkOnes = document.getElementsByName("checkOne");
for (var i = 0; i < checkOnes.length; i++) {
checkOnes[i].checked = false;
}
}
};
</script>
</head>
<body>
<table border="1" width="500" height="50" align="center">
<thead>
<tr>
<td colspan="4"><input type="button" value="添加" /> <input
type="button" value="删除" /></td>
</tr>
<tr>
<th><input type="checkbox" onclick="checkAll()" id="checkAll" /></th>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
</tr>
</thead>
<tbody>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>1</td>
<td>张三</td>
<td>22</td>
</tr>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>2</td>
<td>李四</td>
<td>25</td>
</tr>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>3</td>
<td>王五</td>
<td>27</td>
</tr>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>4</td>
<td>赵六</td>
<td>29</td>
</tr>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>5</td>
<td>田七</td>
<td>30</td>
</tr>
<tr>
<td><input type="checkbox" name="checkOne" /></td>
<td>6</td>
<td>汾九</td>
<td>20</td>
</tr>
</tbody>
</table>
</body>
</html>
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