This article describes the method of implementing image carousel in JavaScript. Share it for your reference. The details are as follows:
JQUERY is not used here, there is no transition effect, and the picture can be replaced by itself.
page:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http:///TR/xhtml1/DTD/">
<html xmlns="http:///1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
<script src="/js/jquery/1.9.1/jquery-1.9."></script>
<style>
.img-div img{display:none;}
</style>
</head>
<body>
<div class="slide" >
<div class="img-div">
<img src="" />
<img src="" />
<img src="" />
<img src="" />
<img src="" />
</div>
<div class="slide-btn">
<a href="#" class="hover">1</a>
<a href="#" class="hover">2</a>
<a href="#" class="hover">3</a>
<a href="#" class="hover">4</a>
<a href="#" class="hover">5</a>
</div>
</div>
<script type="text/javascript">
var zBase=
{
$id:function(id){return (id);},
$tagName:function(tagName,obj){return ((obj?obj:document).getElementsByTagName(tagName));},
$c:function(clsN,obj)
{
var tag=this.$tagName('*'),reg=new RegExp('(^|\\s)'+clsN+'(\\s|$)'),arr=[];
for(var i=0;i<;i++)
{
if((tag[i].className))
{
(tag[i]);
}
}
return arr;
},
$add:function(obj,clsN)
{
var reg=new RegExp('(^|\\s)'+clsN+'(\\s|$)');
if(!())
{
+=' '+clsN;
}
},
$remove:function(obj,clsN)
{
var cla=;
var reg='/|\\s*'+clsN+'\\b/g';
=cla?(eval(reg),''):'';
},
css:function(obj,attr,value)
{
if(value)
{
[attr]=value;
}
else
{
return typeof !="undefined"?(obj,null)[attr]:[attr];
}
},
easing:
{
liner:function(t,b,c,d){return c*t/d+b},
easeOut:function(t,b,c,d){return -c*((t=t/d-1)*t*t*t-1)+b}
},
config:
{
index:0,
auto:true,
direct:'left'
},
init:function()
{
=this.$id('slide');
this.img_div=this.$c('img-div')[0];
this.slide_btn=this.$tagName('a',this.$c('slide-btn')[0]);
this.img_arr=this.$tagName('img',this.img_div);
if(){();}
();
},
animate:function(obj,attr,val)
{
var d=1000;
if(obj[attr+"timer"]){clearInterval(obj[attr+"timer"])};
var start= parseInt((obj,attr));
var space=val-start,st=(new Date().getTime()),m=space>0?'cell':'floor';
obj[attr+'timer']=setInterval(function(){
var t=(new Date().getTime()-st);
if(t<d)
{
(obj,attr,Math[m](["easeOut"](t,start,space,d))+"px");
}
else
{
clearInterval(obj[attr+'timer']);
(obj,attr,top+space+"px");
}
},20);
},
hover:function()
{
for(var i=0;i<this.slide_btn.length;i++)
{
this.slide_btn[i].index=i;
this.slide_btn[i].onmouseover=function()
{
if()
{
clearInterval();
}
=;
//(this.slide_btn);
for(var j=0;j<zBase.slide_btn.length;j++)
{
zBase.$remove(zBase.slide_btn[j],'hover');
}
zBase.$add(zBase.slide_btn[],'hover');
(zBase.img_div,,-*1000);
}
this.slide_btn[i].onmouseout=function()
{
();
}
}
},
play:function(){
= setInterval(function(){
var tags=zBase.$tagName('img',this.img_div);
//zBase.$tagName('img',this.img_div)[].="block";
for(var i =0;i<;i++)
{
if(==i)
{
zBase.$tagName('img',this.img_div)[].="block";
}
else
{
zBase.$tagName('img',this.img_div)[i].="none";
}
}
++;
if(>=zBase.img_arr.length) =0;
(zBase.img_div,,-*500);
for(var j=0;j<zBase.slide_btn.length;j++){
zBase.$remove(zBase.slide_btn[j],'hover') ;
}
zBase.$add(zBase.slide_btn[],'hover');
},3000)
}
}
();
</script>
</body>
</html>
I hope this article will be helpful to everyone's JavaScript programming.