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JS code summary for seamless scrolling of images_javascript skills

WBOY
WBOYOriginal
2016-05-16 16:40:511338browse

This article compiles and summarizes common JavaScript codes for image scrolling, which can achieve the effect of seamless scrolling in four directions: up, down, left, and right. This is a commonly used image effect in front-end design and development. You can only use one of them. scrolling effect.

The specific example code is as follows: 

<!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="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="a2"></div>
</div>
<script type="text/javascript">
boxmove("a","a1","a2",1);
</script>
<h2>向右</h2>
<div id="b" style="overflow:hidden;height:100px;width:90px;">
<div id="b1">
<img src="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="b2"></div>
</div>
<script type="text/javascript">
boxmove("b","b1","b2",2);
</script>
<h2>向下</h2>
<div id="c" style="overflow:hidden;height:100px;width:90px;">
<div id="c1">
<img src="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="c2"></div>
</div>
<script type="text/javascript">
boxmove("c","c1","c2",3);
</script>
<h2>向左</h2>
<div id="d" style="overflow:hidden;height:100px;width:90px;">
<div id="d1">
<img src="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="d2"></div>
</div>
<script type="text/javascript">
boxmove("d","d1","d2",4);
</script>
<h2>手动滚动 - <strong onmouseover="boxmove('aa','aa1','aa2','top',this);">上</strong> <strong onmouseover="boxmove('aa','aa1','aa2','bottom',this);">下</strong></h2>
<div id="aa" style="overflow:hidden;height:100px;width:90px;">
<div id="aa1">
<img src="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="aa2"></div>
</div>
<h2>手动滚动 - <strong onmouseover="boxmove('bb','bb1','bb2','left',this);">左</strong> <strong onmouseover="boxmove('bb','bb1','bb2','right',this);">右</strong></h2>
<div id="bb" style="overflow:hidden;height:100px;width:90px;">
<div id="bb1">
<img src="/images/logo.gif1" alt="" />
<img src="/images/logo.gif2" alt="" />
<img src="/images/logo.gif3" alt="" />
<img src="/images/logo.gif4" alt="" />
<img src="/images/logo.gif5" alt="" />
<img src="/images/logo.gif6" alt="" />
<img src="/images/logo.gif7" alt="" />
<img src="/images/logo.gif8" alt="" />
</div>
<div id="bb2"></div>
</div>
</body>
</html>

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