JS焦点图,JS 多个页面放多个焦点图的实例
编程学习 2021-07-04 19:19www.dzhlxh.cn编程入门
狼蚁网站SEO优化长沙网络推广就为大家带来一篇JS焦点图,JS 多个页面放多个焦点图的实例。长沙网络推广觉得挺不错的，现在就分享给大家，也给大家做个参考。一起跟随长沙网络推广过来看看吧
如下所示：
<!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>
<title>js同一页面可多次调用的图片幻灯切换效果</title>
<meta http-equiv="content-type" content="text/html;charset=gb2312">
<!--把狼蚁网站SEO优化代码加到<head>与</head>之间-->
<script language="javascript">
//声明命名空间
var $o = new Object();
//基础方法
$o.base = {
e:function(a,f){
for(var i=0,j=a.length;i<j;i++){f.call(a[i],i);}
}
}
$o. slide = function (id,arg){
var arg = 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 = ['<ul style="margin:0; padding:0; list-style:none; display:block; position:absolute; bottom:10px; right:10px;">'],
index = 0,
$ = null,
$ = null;
function change(i){
if(!!$){clearTimeout($);}
index = !isNaN(i)?i:index+1;
if(index >= a.length){index = 0;}
$o.base.e(lis,function(k){if(k == index){c(1,this);}else{c(0,this)}});
var to = - index*h;
if(a[0].offsetTop == to){
return;
}else{
if(!!$){clearInterval($);}
$ = setInterval(function(){
var ot = 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)
};
}
function c(b,o){
o.style.backgroundColor = !!b?cl:"#fff";
o.style.color = !!b?"#fff":cl;
}
function st(){
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('<li style="width:20px; height:20px; line-height:20px; display:block; float:left; margin-left:5px; border:1px solid ' + 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>
<!--把狼蚁网站SEO优化代码加到<body>与</body>之间-->
<div id="aa" style="width:402px;height:228px;">
<a href="javascript:alert('1')"><img src="/images/1.jpg"></a>
<a href="javascript:alert('2')"><img src="/images/2.jpg"></a>
<a href="javascript:alert('3')"><img src="/images/3.jpg"></a>
<a href="javascript:alert('4')"><img src="/images/4.jpg"></a>
<a href="javascript:alert('5')"><img src="/images/5.jpg"></a>
<a href="javascript:alert('6')"><img src="/images/6.jpg"></a>
<a href="javascript:alert('7')"><img src="/images/7.jpg"></a>
<a href="javascript:alert('8')"><img src="/images/8.jpg"></a>
<a href="javascript:alert('9')"><img src="/images/9.jpg"></a>
</div>
<script language="javascript">
new $o.slide("aa");
</script>
<br>
<div id="bb" style="width:402px;height:228px;">
<a href="###"><img src="/images/1.jpg"></a>
<a href="###"><img src="/images/2.jpg"></a>
<a href="###"><img src="/images/3.jpg"></a>
<a href="###"><img src="/images/4.jpg"></a>
<a href="###"><img src="/images/5.jpg"></a>
</div>
<script language="javascript">
new $o.slide("bb",{color:'#000',time:0.2});
</script>
<br>
<div id="cc" style="width:402px;height:228px;">
<a href="###"><img src="/images/1.jpg"></a>
<a href="###"><img src="/images/2.jpg"></a>
<a href="###"><img src="/images/3.jpg"></a>
<a href="###"><img src="/images/4.jpg"></a>
<a href="###"><img src="/images/5.jpg"></a>
</div>
<script language="javascript">
new $o.slide("cc",{color:'green'});
</script>
</body>
</html>
以上这篇JS焦点图,JS 多个页面放多个焦点图的实例就是长沙网络推广分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持狼蚁SEO。