无缝滚动js代码通俗易懂(自写)_javascript技巧

复制代码 代码如下:

<script> <BR>window.onload=function(){ <BR>var oDiv=document.getElementById("div"); <BR>var oUl=oDiv.getElementsByTagName("ul")[0]; <BR>var oLi=oUl.getElementsByTagName("li"); <BR>var oInput=document.getElementsByTagName('input'); <BR>oUl.innerHTML +=oUl.innerHTML; <BR>oUl.style.width=oLi[0].offsetWidth*oLi.length+"px"; <BR>var iSeep=-2; <BR>var tamer=null; <BR>clearInterval(tamer); <BR>function starMove(){ <BR>tamer=setInterval(function(){ <BR>oUl.style.left=oUl.offsetLeft+iSeep+"px"; <BR>if(-oUl.offsetLeft >= oUl.offsetWidth/2){ <BR>oUl.style.left="0px"; <BR>}else if(oUl.offsetLeft>0){ <BR>oUl.style.left=-oUl.offsetWidth/2+"px"; <BR>} <BR>},30) <BR>} <BR>starMove(); <BR>oDiv.onmouseover=function(){ <BR>clearInterval(tamer); <BR>} <BR>oDiv.onmouseout=function(){ <BR>starMove(); <BR>} <BR>oInput[0].onclick=function(){ <BR>iSeep=-2; <BR>} <BR>oInput[1].onclick=function(){ <BR>iSeep=2; <BR>} <BR>} <BR></script>

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