网页特效.doc

网页特效 1.仿微博内容自动播放 !doctype html html head titletweets-slide/title meta http-equiv=Content-type content=text/html; charset=utf-8 / style type=text/css ul, li {margin:0; padding:0;list-style:none} body { margin: 0; height: 100%; background: #333; } .wp { position: relative; width: 800px; height: 400px; overflow: hidden; margin: 20px auto; border: 4px solid #121212; background: #fff; } .slider { position: absolute; width: 760px; padding: 0 20px; left:0; top: 0; } .fl {float:left} .slider img {display:block; padding: 2px; border: 1px solid #ccc} .slider li {padding: 20px 0; border-bottom: 1px dashed #ccc;overflow:hidden;width:100%} .slider p {font-size: 12px;margin:0;padding-left:68px;color:#333;line-height:20px;} /style script type=text/javascript function H$(i) {return document.getElementById(i)} function H$$(c, p) {return p.getElementsByTagName(c)} var slider = function () { function init (o) { this.id = o.id; this.at = o.auto ? o.auto : 3; this.o = 0; this.pos(); } totype = { pos : function () { clearInterval(this.__b); this.o = 0; var el = H$(this.id), li = H$$(li, el), l = li.length; var _t = li[l-1].offsetHeight; var cl = li[l-1].cloneNode(true); cl.style.opacity = 0; cl.style.filter = alpha(opacity=0); el.insertBefore(cl, el.firstChild); el.style.top = -_t + px; this.anim(); }, anim : function () { var _this = this; this.__a = setInterval(function(){_this.animH()}, 20); }, animH : function () { var _t = parseInt(H$(this.id).style.top), _this = this; if (_t = -1) { clearInterval(this.__a); H$(this.id).style.top = 0; var list = H$$(li,H$(this.id)); H$(this.id).removeChild(list[list.length-1]); this.__c = setInterval(function(){_this.animO()}, 20); //this.auto(); }else { var __t = Math.abs(_t) - Math.ceil(Math.abs(_t)*.07); H$(this.id).style.top = -__t + px; } }, animO : function () { this.o += 2; if (this.o == 100) { clearInterval(this._