jquery实现隔行变色
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta charset="utf-8">
<style type="text/css">
*{
margin: 0px auto;
padding: 0px;
}
table,tr,td{
border: 1px solid;
border-collapse: collapse;
}
td{
width: 200px;
height: 40px;
}
</style>
<script type="text/javascript" src="jquery-3.1.1.min.js">
</script>
<script type="text/javascript">
$(document).ready(function(){
$("tr:even").css("background","red");
$("tr:odd").css("background","yellow");
})
</script>
</head>
<body>
<table>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
</body>
</html>
tr:even选择偶数行;tr:odd选择奇数行
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