<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
table{width: 500px;border: 1px solid gray;border-collapse: collapse;}
td,th{line-height: 35px;text-align: center;border: 1px solid gray;}
</style>
<script type="text/javascript">
/*
1.实现表格隔行换色
2.当鼠标经过任一行时，高亮显示
*/
</script>
</head>
<body>
<table id="tab">
<thead>
<tr>
<th>编号</th>
<th>姓名</th>
<th>年龄</th>
<th>住址</th>
</tr>
</thead>
<tbody id="tb">
<tr>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
</tr>
<tr>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
</tr>
<tr>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
</tr>
<tr>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
</tr>
<tr>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
<td>AAAA</td>
</tr>
</tbody>
</table>
<script type="text/javascript">
//找到tbody内容
var tb=document.getElementById('tb').children;
//创建函数，赋值不同行颜色
function show(){
for(var i=0;i<tb.length;i++){
if (i%2==0) {
tb[i].style.backgroundColor='blue';
}else{
tb[i].style.backgroundColor='pink';
}
}
}
show();
//创建鼠标事件
for(var i=0;i<tb.length;i++){
//鼠标移动到元素之上事件
tb[i].onmouseover=function(){
this.style.backgroundColor='red';
}
//鼠标离开事件
tb[i].onmouseout=function(){
show();
}
}
</script>
</body>
</html>
javascript制作表格行高亮显示效果
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转载自blog.csdn.net/weixin_44830974/article/details/89976550
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