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< style >
.fl{float:left;}
.fr{float:right;}
</ style >
< div class = "box03" id = "abc" >
< dl >1</ dl >
< dl >1</ dl >
< dl >1</ dl >
</ div >
< script type = "text/javascript" >
var objName=document.getElementById("abc").getElementsByTagName("dl");
for (i=0;i< objName.length ;i++) {
(i%2==0)?(objName[i].className = "fl"):(objName[i].className = "fr");
}
</script>
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本文转自 gutaotao1989 51CTO博客,原文链接:http://blog.51cto.com/taoyouth/1415463