JavaScript interlaced color changing function code_Basic knowledge

First define two styles about the background color
tag is the id object
c1 is style 1
c2 is style 2

Copy code The code is as follows:

<script> <br>function changeRowsBg(tag,c1,c2) ​​{ <br>　var i = 0; <br>　var obj_tag = document .getElementsByTagName(tag); .className = c2; <br>　　} <br>} <br></script>