<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
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height: 600px;
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<body>
<table>
<tr>
<td><input type="checkbox" onclick="checkbox(this)">全选</td>
<td>姓名</td>
<td>年龄</td>
<td>性别</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>张三</td>
<td>20</td>
<td>男</td>
</tr>
<tr>
<td><input type='checkbox' name="chkstu"></td>
<td>李四</td>
<td>20</td>
<td>男</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>王五</td>
<td>20</td>
<td>男</td>
</tr>
<tr>
<td><input type='checkbox' name="chkstu"></td>
<td>赵六</td>
<td>20</td>
<td>男</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>小新</td>
<td>18</td>
<td>男</td>
</tr>
</table>
</body>
</html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<script type="text/javascript">
function checkbox(chk){
var ischeck=chk.checked;
var list=document.getElementsByName('chkstu');
for(var i=0;i<list.length;i++){
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window.onload=function(){
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this.style.background='red';
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</script>
<style type="text/css">
table{
width: 800px;
height: 600px;
margin: 0 auto;
border-collapse: collapse;
}
.color{
background-color: #ffb6c1;
}
</style>
</head>
<body>
<table>
<tr>
<td><input type="checkbox" onclick="checkbox(this)">全选</td>
<td>姓名</td>
<td>年龄</td>
<td>性别</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>张三</td>
<td>20</td>
<td>男</td>
</tr>
<tr>
<td><input type='checkbox' name="chkstu"></td>
<td>李四</td>
<td>20</td>
<td>男</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>王五</td>
<td>20</td>
<td>男</td>
</tr>
<tr>
<td><input type='checkbox' name="chkstu"></td>
<td>赵六</td>
<td>20</td>
<td>男</td>
</tr>
<tr class="color">
<td><input type='checkbox' name="chkstu"></td>
<td>小新</td>
<td>18</td>
<td>男</td>
</tr>
</table>
</body>
</html>