<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>表格全选</title>
<style>
table{
border: 1px solid;
width: 500px;
margin-left: 30%;
}
td,th{
text-align: center;
border: 1px solid;
}
div{
margin-top: 10px;
margin-left: 30%;
}
.out{
background-color: white;
}
.over{
background-color: pink;
}
</style>
<script>
window.onload = function () {
document.getElementById("selectAll").onclick=function () {
var cds = document.getElementsByName("cd");
for (var i = 0; i < cds.length; i++) {
cds[i].checked = true;
}
}
document.getElementById("unSelectAll").onclick=function () {
var cds = document.getElementsByName("cd");
for (var i = 0; i < cds.length; i++) {
cds[i].checked = false;
}
}
document.getElementById("selectRev").onclick=function () {
var cds = document.getElementsByName("cd");
for (var i = 0; i < cds.length; i++) {
cds[i].checked = !cds[i].checked;
}
}
var trs = document.getElementsByTagName("tr");
for (var i = 0; i < trs.length; i++) {
trs[i].onmouseover= function () {
this.className = "over";
}
trs[i].onmouseover= function () {
this.className = "out";
}
}
}
</script>
</head>
<body>
<table>
<caption>学生信息表</caption>
<tr>
<th><input type="checkbox" name="cd" id = "firstCd"></th>
<th>编号</th>
<th>姓名</th>
<th>性别</th>
<th>操作</th>
</tr>
<tr>
<td><input type="checkbox"name="cd" ></td>
<td>1</td>
<td>令狐冲</td>
<td>男</td>
<td><a href="javascript:void(0);">删除</a></td>
</tr>
<tr>
<td><input type="checkbox"name="cd" ></td>
<td>2</td>
<td>任我行</td>
<td>男</td>
<td><a href="javascript:void(0);">删除</a></td>
</tr>
<tr>
<td><input type="checkbox"name="cd" ></td>
<td>3</td>
<td>岳不群</td>
<td>?</td>
<td><a href="javascript:void(0);">删除</a></td>
</tr>
</table>
<div>
<input type="button" id="selectAll" value="全选">
<input type="button" id="unSelectAll" value="全不选">
<input type="button" id="selectRev" value="反选">
</div>
</body>
</html>
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