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为大家分享的jQuery下拉美化搜索表单效果代码如下
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>纯js(不依赖现有框架)焦点文字滚动效果</title><style >*{margin:0;padding:0; list-style:none;}#slider{overflow:hidden;width:470px;height:150px;position:relative; margin:100px auto;}#slider .pics{width:470px;height:150px}#slider .pics li{height:150px;width:470px;float:left}#slider #nav {position:absolute;bottom:5px;right:5px;}#slider #nav li.nav{background:#F47500; color:#fff;}#slider #nav li{border:1px solid #f47500; color:#d94b01; cursor:pointer;background:#fff;font-size:12px; height:15px;width:15px;float:left;margin-left:4px;display:inline;text-align:center}</style></head><body><!--代码部分begin--><div id="slider"> <ul class="pics"> <li><img alt="js焦点图效果" src="images/01.jpg" /></li> <li><img alt="js焦点图效果" src="images/02.jpg" /></li> <li><img alt="js焦点图效果" src="images/03.jpg" /></li> <li><img alt="js焦点图效果" src="images/04.jpg" /></li> <li><img alt="js焦点图效果" src="images/05.jpg" /></li> </ul> <ul id="nav"> <li onmouseover="setTimeout(function(){lanrenzhijia.slider.pos(0)},300)">1</li> <li onmouseover="setTimeout(function(){lanrenzhijia.slider.pos(1)},300)">2</li> <li onmouseover="setTimeout(function(){lanrenzhijia.slider.pos(2)},300)">3</li> <li onmouseover="setTimeout(function(){lanrenzhijia.slider.pos(3)},300)">4</li> <li onmouseover="setTimeout(function(){lanrenzhijia.slider.pos(4)},300)">5</li> </ul></div><script>var lanrenzhijia = {}, H$ = function(id){return document.getElementById(id)}, H$$ = function(c,p){return p.getElementsByTagName(c)}lanrenzhijia.slider = function(){ return{ init:function(id,options){var ul = this.u = H$$("ul",H$(id))[0], li = H$$("li",ul); this.l=li.length; this.index = 0;if(options.navId&&options.curClass){this.nav = H$$("li",H$(options.navId)), this.c = options.curClass;}this.a=options.auto||0; this.v=options.vertical||0;H$(id).style.overflow = "hidden";H$(id).style.position = "relative";ul.style.position="absolute";if(this.v){ul.style.top=0; this.h=options.height||li[0].offsetHeight; ul.style.height=(this.l*this.h)+"px";}else{ul.style.left=0; this.w=options.width||li[0].offsetWidth; ul.style.width=(this.l*this.w)+"px";}this.pos(options.index||0,this.a?1:0); },pos:function(pos,a){clearInterval(this.u.posAnim); clearInterval(this.u.auto);var curPos=this.v?parseInt(this.u.style.top):parseInt(this.u.style.left),correctPos=this.v?pos*this.h:pos*this.w, direction = correctPos>Math.abs(curPos)?1:-1;correctPos*=-1; this.index = pos;if(this.nav){for(var i=0;i<this.l;i++){this.nav[i].className = i==pos?this.c:""}}this.u.posAnim = setInterval(function(){lanrenzhijia.slider.anim(correctPos,direction,a)},10); },anim:function(des,dir,a){var curPos=this.v?parseInt(this.u.style.top):parseInt(this.u.style.left);if(curPos == des){clearInterval(this.u.posAnim);if(a||this.a){lanrenzhijia.slider.auto()}}else{var v=curPos-Math.ceil(Math.abs(des-curPos)*.07)*dir+"px";this.v?this.u.style.top=v:this.u.style.left=v;} },auto:function(){this.u.auto=setInterval(function(){lanrenzhijia.slider.move(1,1)},this.a*1000) },move:function(n,a){var num=this.index+n, i=n==1?num==this.l?0:num:num<0?this.l-1:num; lanrenzhijia.slider.pos(i,a); } };}();</script><script>lanrenzhijia.slider.init("slider",{auto:3, vertical:1, navId:"nav", curClass:"nav", index:0});</script><!--代码部分end--></body></html>以上就是为大家分享的js(不依赖现有框架)焦点文字滚动效果代码,希望大家可以喜欢。