JavaScript表格隔行变色
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<!DOCTYPE html> <html> <head lang="en"> <meta charset="UTF-8"> <title></title> <style> * { padding: 0; margin: 0; } .wrap { width: 500px; margin: 100px auto 0; } table { border-collapse: collapse; border-spacing: 0; border: 1px solid #c0c0c0; width: 500px; cursor: pointer; } th, td { border: 1px solid #d0d0d0; color: #404060; padding: 10px; } th { background-color: #09c; font: bold 16px "微软雅黑"; color: #fff; } td { font: 14px "微软雅黑"; } tbody tr { background-color: pink; } </style> </head> <body> <div class="wrap"> <table> <thead> <tr> <th>序号</th> <th>姓名</th> <th>课程</th> <th>成绩</th> </tr> </thead> <tbody id="j_tb"> <tr> <td> 1 </td> <td>柳岩</td> <td>语文</td> <td>100</td> </tr> <tr> <td> 2 </td> <td>苍老师</td> <td>日语</td> <td>100</td> </tr> <tr> <td> 3 </td> <td>凤姐</td> <td>营销学</td> <td>100</td> </tr> <tr> <td> 4 </td> <td>芙蓉姐姐</td> <td>数学</td> <td>10</td> </tr> <tr> <td> 5 </td> <td>佐助</td> <td>英语</td> <td>100</td> </tr> <tr> <td> 6 </td> <td>卡卡西</td> <td>体育</td> <td>100</td> </tr> <tr> <td> 7 </td> <td>乔峰</td> <td>体育</td> <td>100</td> </tr> </tbody> </table> </div> <script src="common.js"></script> <script> //获取所有的行 var list = document.getElementById("j_tb").getElementsByTagName("tr"); //循环遍历,设置隔行变色和鼠标进入事件 for (var i = 0; i < list.length; i++) { list[i].style.backgroundColor = i % 2 == 0 ? "red" : "yellow"; list[i].onmouseover = onmouseoverHandle; list[i].onmouseout = onmouseoutHandele; } lastColor = ""; function onmouseoverHandle() { lastColor = this.style.backgroundColor; this.style.backgroundColor = "green"; } function onmouseoutHandele() { this.style.backgroundColor = lastColor; } </script> </body> </html>
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