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纯javascript实现文字、图片无限滚动效果
使用说明：xMarquee(‘ 对象id ‘,‘ 滚动方向 ‘,‘ 偏移(正整数,越大滚动越快，默认 1) ‘,‘ 频率(正整数,越小滚动越快，默认 50) ‘);
根据个人需求可以对‘偏移‘和‘频率‘进行调整，达到最佳效果。
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无限滚动</title>
<style>
body{ font-size:12px;}
.xMarquee{ width:280px;overflow:hidden;height:32px;}
img,a{border:0px;}
.l{ float:left; padding:20px;}
</style>
<script>
function xMarquee(obj,fx,temp,speed){
obj = document.getElementById(obj);
var xh = obj.innerHTML;
var sid = 'xScroll_'+Math.floor(Math.random()*10000);
var neh = '';
var fc ;
if(fx==""||fx=="right"||fx==null){
neh = '<div style="display:block;float:left;">'+xh+'</div>';
obj.innerHTML = '<div id="'+sid+'" style=" width:9900%;">'+neh+neh+'<div style="clear:both;"></div></div>';
fc = document.getElementById(sid).childNodes;
if(fc[0].offsetWidth<=obj.offsetWidth){obj.innerHTML = xh;return;}
document.getElementById(sid).style.width = fc[0].offsetWidth*2+'px';
}else if(fx=="up"||fx=="down"){
neh = '<div style="display:block;">'+xh+'</div>';
obj.innerHTML = '<div id="'+sid+'">'+neh+neh+'<div style="clear:both;"></div></div>';
fc = document.getElementById(sid).childNodes;
if(fc[0].offsetHeight<=obj.offsetHeight){obj.innerHTML = xh;return;}
document.getElementById(sid).style.height = fc[0].offsetHeight*2+'px';
}
var t = 0;
if(fx==''||typeof fx == undefined||fx==null){fx = "left";}
if(temp==''||typeof temp == undefined||temp==null){temp = 1;}
if(speed==''||typeof speed == undefined||speed==null){speed = 50;}
if(fx=="right"){obj.scrollLeft = fc[0].offsetWidth*2;t = fc[0].offsetWidth;}
if(fx=="down"){obj.scrollTop = fc[0].offsetHeight*2;t = fc[0].offsetHeight;}
var dos = function(speed){
if(fx=="left"){
t=t+temp;
if(obj.scrollLeft>=fc[0].offsetWidth){
t = temp+3;
obj.scrollLeft=temp+3;
}else{
obj.scrollLeft=t;
}
}
if(fx=="right"){
t=t-temp;
if(obj.scrollLeft<=0){
t = fc[0].offsetWidth+3;
obj.scrollLeft=fc[0].offsetWidth+3;
}else{
obj.scrollLeft=t;
}
}
if(fx=="up"){
t=t+temp;
if(obj.scrollTop>=fc[0].offsetHeight){
t = temp+3;
obj.scrollTop=temp+3;
}else{
obj.scrollTop=t;
}
}
if(fx=="down"){
t=t-temp;
if(obj.scrollTop<=0){
t = fc[0].offsetHeight-3;
obj.scrollTop=fc[0].offsetHeight-3;
}else{
obj.scrollTop=t;
}
}
}
var s = window.setInterval(function(){dos(speed)},speed);
var over = function(){
window.clearInterval(s);
}
var out = function(){
s = window.setInterval(function(){dos(speed)},speed);
}
try{
obj.addEventListener('mouseover',over,false);
obj.addEventListener('mouseout',out,false);
}catch(e){
//ie
obj.attachEvent('o**ouseover',over);
obj.attachEvent('onmouseout',out);
}
}
window.onload = function(){
xMarquee('xMarquee');
xMarquee('xMarquee2','right');
xMarquee('xMarquee3','up');
xMarquee('xMarquee4','down');
xMarquee('xMarquee5');
xMarquee('xMarquee6','right');
xMarquee('xMarquee7','up');
xMarquee('xMarquee8','down');
}
</script>
</head>
<body>
<p style="line-height:16px;">
window.onload = function(){<br/>
xMarquee('xMarquee');<br/>
xMarquee('xMarquee2','right');<br/>
xMarquee('xMarquee3','up');<br/>
xMarquee('xMarquee4','down');<br/>
xMarquee('xMarquee5');<br/>
xMarquee('xMarquee6','right');<br/>
xMarquee('xMarquee7','up');<br/>
xMarquee('xMarquee8','down');<br/>
}<br/>
使用说明：xMarquee(' 对象id ',' 滚动方向 ',' 偏移(正整数,越大滚动越快，默认 1) ',' 频率(正整数,越小滚动越快，默认 50) ');<br/>
根据个人需求可以对'偏移'和'频率'进行调整，达到最佳效果。
</p>
<br/><br/>
<div class="l">
left:<br/>
<div id="xMarquee" class="xMarquee">
<a href=http://www.mamicode.com/"http://haiqiancun.com/">http://haiqiancun.com/http://haiqiancun.com/http://haiqiancun.com/
>
原文地址 http://haiqiancun.com/bbs/bbsPage/0/detail/297e9e7946a599780146a5a38dde0003/1/20140826154818狠狠点击下载demo
纯javascript实现文字、图片无限滚动效果
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