先定义两个关于背景色的样式
tag为id对象
c1为样式1
c2为样式2
<script> <BR>function changeRowsBg(tag,c1,c2) { <BR> var i = 0; <BR> var obj_tag = document.getElementsByTagName(tag); <BR> for(i = 0;i < obj_tag.length ;i++){ <BR> (i%2 == 0)? obj_tag(i).className = c1 : obj_tag(i).className = c2 ; <BR> } <BR>} <BR></script>
![[Web-Frontend] Node.js-Schnellstart](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
