首页 > 代码库 > 一个简单且丑陋的js切换背景图片基础示例

一个简单且丑陋的js切换背景图片基础示例

不多说,直接上代码,非常基础的一个原生js切换元素背景图片范例

<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>原生JS范例</title><script type="text/javascript">function changeBg(){    var domobj = document.getElementById(‘bg‘);//获取dom元素    var bgsrc_a = domobj.getAttribute("data-bg1");    var bgsrc_b = domobj.getAttribute("data-bg2");    domobj.style.backgroundImage=‘url(‘+bgsrc_b+‘)‘;        //两属性位置互换    domobj.setAttribute(‘data-bg1‘,bgsrc_b);    domobj.setAttribute(‘data-bg2‘,bgsrc_a);}</script><style type="text/css">#bg{ width:200px; height:80px; background-repeat:no-repeat; background-image:url(http://www.yilewan.com/resource/images/logo.png);}</style></head><body><a href="javascript:;" onclick="changeBg();">点击切换</a><hr /><div id="bg" data-bg1=‘http://www.yilewan.com/resource/images/logo.png‘ data-bg2=‘http://www.58game.com/resource/images/logo_58game.png‘></div></body></html>