本文整理汇总了JavaScript实现图片滚动的常见代码，可以实现向上下左右四个方向的无缝滚动的效果，这是前端设计开发时常用的一个图片特效，你可只用其中的一种滚动效果。
具体的实例代码如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="zh-CN" xml:lang="zh-CN">
<head>
<title>图片滚动代码合集</title>
<script type="text/javascript">
// 自动滚动
function boxmove(d1,d2,d3,e,obj){
var speed=30;
var demo=document.getElementById(d1);
var demo1=document.getElementById(d2);
var demo2=document.getElementById(d3);
demo2.innerHTML=demo1.innerHTML;
function boxTop(){
if(demo2.offsetTop-demo.scrollTop<=0){demo.scrollTop-=demo1.offsetHeight}
else{demo.scrollTop++}
}
function boxRight(){
if(demo.scrollLeft<=0){demo.scrollLeft+=demo2.offsetWidth}
else{demo.scrollLeft--}
}
function boxBottom(){
if(demo1.offsetTop-demo.scrollTop>=0){demo.scrollTop+=demo2.offsetHeight}
else{demo.scrollTop--}
}
function boxLeft(){
if(demo2.offsetWidth-demo.scrollLeft<=0){demo.scrollLeft-=demo1.offsetWidth}
else{demo.scrollLeft++}
}
if(e==1){
var MoveTop=setInterval(boxTop,speed);
demo.onmouseover=function(){clearInterval(MoveTop);}
demo.onmouseout=function(){MoveTop=setInterval(boxTop,speed)}
}
if(e==2){
var MoveRight=setInterval(boxRight,speed);
demo.onmouseover=function(){clearInterval(MoveRight)}
demo.onmouseout=function(){MoveRight=setInterval(boxRight,speed)}
}
if(e==3){
var MoveBottom=setInterval(boxBottom,speed);
demo.onmouseover=function(){clearInterval(MoveBottom);}
demo.onmouseout=function(){MoveBottom=setInterval(boxBottom,speed)}
}
if(e==4){
var MoveLeft=setInterval(boxLeft,speed)
demo.onmouseover=function(){clearInterval(MoveLeft)}
demo.onmouseout=function(){MoveLeft=setInterval(boxLeft,speed)}
}
if(e=="top"){
MoveTop=setInterval(boxTop,speed)
obj.onmouseout=function(){clearInterval(MoveTop);}
}
if(e=="right"){
MoveRight=setInterval(boxRight,speed)
obj.onmouseout=function(){clearInterval(MoveRight);}
}
if(e=="bottom"){
MoveBottom=setInterval(boxBottom,speed)
obj.onmouseout=function(){clearInterval(MoveBottom);}
}
if(e=="left"){
MoveLeft=setInterval(boxLeft,speed)
obj.onmouseout=function(){clearInterval(MoveLeft);}
}
}
</script>
<style type="text/css">
div#a,div#b,div#c,div#d { float:left;}
h2 { clear:both; }
div#b,div#d,div#bb { white-space:nowrap; }
</style>
</head>
<body>
<h1>滚动合集</h1>
<hr />
<h2>向上</h2>
<div id="a" style="overflow:hidden;height:100px;width:90px;">
<div id="a1">
<img src="/UploadFiles/2021-04-02/logo.gif1">
标签：
JS,图片,无间断,滚动,代码
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