JS焦点图,JS 多个页面放多个焦点图的实例

时间：2021-05-26

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"><!--把下面代码加到<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><!--把下面代码加到<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小编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。

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