js实现同一页面可多次调用的图片幻灯切换效果
本文实例讲述了js实现同一页面可多次调用的图片幻灯切换效果。分享给大家供大家参考。具体实现方法如下：
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<htmlxmlns="http://www.w3.org/1999/xhtml">
<head>
<title>js同一页面可多次调用的图片幻灯切换效果</title>
<metahttp-equiv="content-type"content="text/html;charset=gb2312">
<!--把下面代码加到<head>与</head>之间-->
<scriptlanguage="javascript">
//声明命名空间
var$o=newObject();
//基础方法
$o.base={
e:function(a,f){
for(vari=0,j=a.length;i<j;i++){f.call(a[i],i);}
}
}
$o.slide=function(id,arg){
vararg=arg||{},
t=document.getElementById(id),
a=t.getElementsByTagName("a"),
lis=[],
cl=arg.color||'#f30',
ctm=arg.time*1000||2000,
w=t.clientWidth,
h=t.clientHeight,
b=['<ulstyle="margin:0;padding:0;list-style:none;display:block;position:absolute;bottom:10px;right:10px;">'],
index=0,
$=null,
$=null;
functionchange(i){
if(!!$){clearTimeout($);}
index=!isNaN(i)?i:index+1;
if(index>=a.length){index=0;}
$o.base.e(lis,function(k){if(k==index){c(1,this);}else{c(0,this)}});
varto=-index*h;
if(a[0].offsetTop==to){
return;
}else{
if(!!$){clearInterval($);}
$=setInterval(function(){
varot=a[0].offsetTop;
v=Math[to<ot?'floor':'ceil']((to-ot)*0.2);
if(ot==to){clearInterval($);$=null;st();}
ot+=v;
a[0].style.marginTop=ot+"px";
},30)
};
}
functionc(b,o){
o.style.backgroundColor=!!b?cl:"#fff";
o.style.color=!!b?"#fff":cl;
}
functionst(){
if(!!$)clearTimeout($);
$=setTimeout(function(){change()},ctm);
}
with(t.style){overflow='hidden';position='relative';}
$o.base.e(a,function(n){
this.style.display="block";
with(this.firstChild.style){borderWidth='0';width=w+'px';height=h+'px';}
b.push('<listyle="width:20px;height:20px;line-height:20px;display:block;float:left;margin-left:5px;border:1pxsolid'+cl+';background-color:#fff;color:'+cl+';font-size:14px;text-align:center;cursor:pointer;">'+(n+1)+'</li>');
});
b.push('</ul>');
t.innerHTML+=b.join("");
lis=t.getElementsByTagName("li");
$o.base.e(lis,function(n){
if(n==index){c(1,this)}
this.onmouseover=function(){
if(n!=index)change(n);
}
});
st();
}
</script>
</head>
<body>
<!--把下面代码加到<body>与</body>之间-->
<divid="aa"style="width:402px;height:228px;">
<ahref="javascript:alert('1')"><imgsrc="/images/1.jpg"></a>
<ahref="javascript:alert('2')"><imgsrc="/images/2.jpg"></a>
<ahref="javascript:alert('3')"><imgsrc="/images/3.jpg"></a>
<ahref="javascript:alert('4')"><imgsrc="/images/4.jpg"></a>
<ahref="javascript:alert('5')"><imgsrc="/images/5.jpg"></a>
<ahref="javascript:alert('6')"><imgsrc="/images/6.jpg"></a>
<ahref="javascript:alert('7')"><imgsrc="/images/7.jpg"></a>
<ahref="javascript:alert('8')"><imgsrc="/images/8.jpg"></a>
<ahref="javascript:alert('9')"><imgsrc="/images/9.jpg"></a>
</div>
<scriptlanguage="javascript">
new$o.slide("aa");
</script>
<br>
<divid="bb"style="width:402px;height:228px;">
<ahref="###"><imgsrc="/images/1.jpg"></a>
<ahref="###"><imgsrc="/images/2.jpg"></a>
<ahref="###"><imgsrc="/images/3.jpg"></a>
<ahref="###"><imgsrc="/images/4.jpg"></a>
<ahref="###"><imgsrc="/images/5.jpg"></a>
</div>
<scriptlanguage="javascript">
new$o.slide("bb",{color:'#000',time:0.2});
</script>
<br>
<divid="cc"style="width:402px;height:228px;">
<ahref="###"><imgsrc="/images/1.jpg"></a>
<ahref="###"><imgsrc="/images/2.jpg"></a>
<ahref="###"><imgsrc="/images/3.jpg"></a>
<ahref="###"><imgsrc="/images/4.jpg"></a>
<ahref="###"><imgsrc="/images/5.jpg"></a>
</div>
<scriptlanguage="javascript">
new$o.slide("cc",{color:'green'});
</script>
</body>
</html>
希望本文所述对大家的javascript程序设计有所帮助。