JavaScript基础学习 表单隔行变色
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=devcie-width,initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
table {
width: 800px;
margin: 100px auto;
text-align: center;
border-collapse: collapse;
font-size: 14px;
}
thead tr {
height: 30px;
background-color: skyblue;
}
tbody tr {
height: 30px;
}
tbody td {
border-bottom: 1px solid #d7d7d7;
font-size: 12px;
color: blue;
}
.bg {
background-color: pink;
}
</style>
</head>
<body>
<table>
<thead>
<tr>
<th>代码</th>
<th>名称</th>
<th>最新公布值</th>
<th>累计净值</th>
<th>前单位净值</th>
<th>净值增长率</th>
</tr>
</thead>
<tbody>
<tr>
<th>003526 </th>
<th>农银金穗3个月定期开放债券</th>
<th>1.007</th>
<th>1.009</th>
<th>1.200</th>
<th>0.800</th>
</tr>
<tr>
<th>003526 </th>
<th>农银金穗3个月定期开放债券</th>
<th>1.007</th>
<th>1.009</th>
<th>1.200</th>
<th>0.800</th>
</tr>
<tr>
<th>003526 </th>
<th>农银金穗3个月定期开放债券</th>
<th>1.007</th>
<th>1.009</th>
<th>1.200</th>
<th>0.800</th>
</tr>
<tr>
<th>003526 </th>
<th>农银金穗3个月定期开放债券</th>
<th>1.007</th>
<th>1.009</th>
<th>1.200</th>
<th>0.800</th>
</tr>
</tbody>
</table>
<script>
// 获取 tbody当中所有的行
var trs = document.querySelector('tbody').querySelectorAll('tr');
console.log(trs.length);
for (var i = 0; i < trs.length; i++) {
// 鼠标经过事件onmouseover时会产生效果
trs[i].onmouseover = function() {
this.className = 'bg';
}
// 鼠标离开事件onmouseout会产生效果
trs[i].onmouseout = function() {
this.className = '';
}
}
</script>
</body>
</html>
