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:
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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