利用js实现表格隔行换色效果

本文为大家介绍了利用js实现表格隔行换色效果的方法,具有一定的参考价值,希望可以帮助到大家。要实现隔行换色效果需要操作表格中的每一行,动态的修改行的背景元素。

首先我们来看一下实现的效果,如下图所示:

利用js实现表格隔行换色效果 (https://www.wpmee.com/) javascript教程 第1张

思路:

确定事件: 文档加载完成 onload 2. 事件要触发函数: init() 3. 函数:操作页面的元素 要操作表格中每一行 动态的修改行的背景颜色

具体代码:

<!DOCTYPE html>

<html>

<head>

<meta charset="UTF-8">

<title>Title</title>

<script >

function init(){

//得到表格

var tab = document.getElementById("tab");

//得到表格中每一行

var rows = tab.rows;

//便利所有的行,然后根据奇数 偶数

for(var i=1; i < rows.length; i++){

var row = rows[i]; //得到其中的某一行

if(i%2==0){

row.bgColor = "yellow";

}else{

row.bgColor = "red"

}

}

}

</script>

</head>

<body onload="init()">

<table border="1px" width="600px" id="tab">

<tr>

<td>

<input type="checkbox"/>

</td>

<td>分类ID</td>

<td>分类名称</td>

<td>分类商品</td>

<td>分类描述</td>

<td>操作</td>

</tr>

<tr>

<td>

<input type="checkbox"/>

</td>

<td>1</td>

<td>手机数码</td>

<td>华为,小米,尼康</td>

<td>黑马数码产品质量最好</td>

<td>

<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>|<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >删除</a>

</td>

</tr>

<tr>

<td>

<input type="checkbox"/>

</td>

<td>2</td>

<td>成人用品</td>

<td>充气的</td>

<td>这里面的充气电动硅胶的</td>

<td><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>|<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >删除</a></td>

</tr>

<tr>

<td>

<input type="checkbox"/>

</td>

<td>3</td>

<td>电脑办公</td>

<td>联想,小米</td>

<td>笔记本特卖</td>

<td><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>|<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >删除</a></td>

</tr>

<tr>

<td>

<input type="checkbox"/>

</td>

<td>4</td>

<td>馋嘴零食</td>

<td>辣条,麻花,黄瓜</td>

<td>年货</td>

<td><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>|<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >删除</a></td>

</tr>

<tr>

<td>

<input type="checkbox"/>

</td>

<td>5</td>

<td>床上用品</td>

<td>床单,被套,四件套</td>

<td>都是套子</td>

<td><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >修改</a>|<a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >删除</a></td>

</tr>

</table>

</body>

</html>

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