Posted in Javascript onMay 15, 2014
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js取模隔行变色</title>
<script type="text/javascript">
window.onload=function()
{
var oUl=document.getElementById('ul1');
var aLi=oUl.getElementsByTagName('li'); for(var i=0; i< aLi .length; i++)
{
if(i%2==0) //取模 求余数
{
aLi[i].style.background='red';
}
}
}
</script>
</script></head>
<body>
<ul id="ul1">
<li>webtall</li>
<li>webtall</li>
<li>webtall</li>
<li>webtall</li>
<li>webtall</li>
</ul>
</body>
</html> js取模（求余数）隔行变色
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