Javascript imitation lyrics intelligent scrolling code

Javascript imitation lyrics intelligent scrolling code_text effects

WBOY

Release： 2016-05-16 18:44:25

Original

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Make sure the viewer can see the text clearly and then continue to scroll up and down.

<title>Text scrolling</title>
<style type="text/css"> 
#infozone{font-size:12px;color:#aa6;overflow:hidden;width:98px;height:20px;} 
#infozone div{height:20px;line-height:20px;white-space:nowrap;overflow:hidden;} 
</style>

<div id="infozone">
<div></div>Blue and white porcelain (Jay Chou) <div></div>With you in my life (Shui Mu Nian Hua) <div> </div> Myth (Sun Nan, Han Hong)

<br><input onclick="runEx('runcode41384')" type="button" value="运行代码"><input onclick="doCopy('runcode41384')" type="button" value="复制代码"> <input onclick="doSave(runcode41384)" type="button" value="保存代码"> <a href="http://www.jb51.net/article/23421.htm" title="查看具体详情" target="_blank">[Ctrl A select all Note: </a>If you need to introduce external Js, you need to refresh to execute </div>]<script type="text/javascript"> 
var tc; 
window.onload=function(){ 
var o=document.getElementById('infozone');hscroll(o); 
window.setInterval(function(){window.clearTimeout(tc);o.firstChild.style.marginLeft='0px';scrollup(o,20,0);},8000); 
} 
function scrollup(o,d,c){ 
if(d==c){ 
var t=o.firstChild.cloneNode(true); 
o.removeChild(o.firstChild);o.appendChild(t); 
t.style.marginTop=o.firstChild.style.marginTop='0px'; 
hscroll(o); 
} 
else{ 
ch=false;var s=3,c=c+s,l=(c>=d?c-d:0); 
o.firstChild.style.marginTop=-c+l+'px'; 
window.setTimeout(function(){scrollup(o,d,c-l)},50); 
} 
}

function hscroll(o){ 
var w1=o.firstChild.offsetWidth,w2=o.offsetWidth; 
if(w1<=w2)return; 
tc=window.setTimeout(function(){hs(o,w1-w2,0,w1-w2)},3500); 
}