var index=0; $(document).ready(function () { start(); setInterval("getIndex()",1000) }); function start(){ var obj=$("#ad ul>li"); for(var i=0;i<obj.length;i++){ $(obj[i]).css("opacity","0"); } } function setIndexOpacity(){ var item=$("#ad ul>li"); if(index!=0){ $(item[--index]).css("opacity","0"); } $(item[index]).css("opacity","1"); } function getIndex(){ index=index>6?0:++index; setIndexOpacity(); }
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