這篇文章主要介紹了js實現從右向左緩緩浮出網頁浮動層廣告的方法,可實現右側浮動廣告的定時彈出及點擊展開、折疊等功能,非常具有實用價值,需要的朋友可以參考下：
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 <!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> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>從右向左緩緩浮出的網頁浮動層廣告</title> <script language="javascript"> var $ = function (d){return document.getElementById(d)}; var CLS={ create: function() { return function() { this.$ADD = function (fn){CLS.add(this,fn)}; this.init.apply(this, arguments); } }, add:function (obj,fn){ fn.apply(obj,arguments); }, enterFrame:function (){ this.onEnterFrame=function (){}; this.$PLAY = function (g){ this.enterFrameP = this.enterFrameP || 10; this.CLStimeIndex = CLS.ontimes.length; CLS.ontimes.push(this); window.clearTimeout(this.enterFrameTimeout); window.clearInterval(this.enterFrameInterval); if(g)this.enterFrameTimeout = window.setTimeout('CLS.ontimes['+this.CLStimeIndex+'].enterFrameInterval=window.setInterval("CLS.ontimes ['+this.CLStimeIndex+'].onEnterFrame()",'+this.enterFrameP+')',parseInt(g*1000)); else this.enterFrameInterval = window.setInterval("CLS.ontimes["+this.CLStimeIndex+"].onEnterFrame()",this.enterFrameP); } this.$STOP = function (){ window.clearInterval(this.enterFrameInterval); } this.$SET = function (p){ this.enterFrameP = p; } }, ontimes:new Array() }; CLS.Marquee = CLS.create(); CLS.Marquee.prototype = { init:function (button,box,speed){ this.box = $(box); this.tit = $(button) this.kong = $("kong"); this.onOpen = true; this.show = false; this.time = 0; this.speed = speed; this.kong.style.height = this.box.offsetHeight +"px"; this.Maxw = this.box.offsetWidth-this.tit.offsetWidth; this.box.style.right = -this.box.offsetWidth + "px"; this.boxTop = this.kong.offsetTop; var _t = this; this.tit.onclick = function (){ this.show = true; if(_t.onOpen){ _t.onEnterFrame = _t.close; _t.onOpen = false; }else{ _t.onEnterFrame = _t.open; _t.onOpen = true; } _t.$PLAY(); }; this.$ADD(CLS.enterFrame); this.onEnterFrame = this.open; this.$PLAY(); }, open:function(){ this.tit.innerHTML = "-"; var _r = parseInt(this.box.style.right); var _b = (0 - _r)/30; this.box.style.right = (_r + _b) +"px"; this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px"; if(_b==0 && !this.show){ this.time +=10; if(this.time>=this.speed*1000){ this.show = true; this.onOpen = false; this.$STOP(); this.onEnterFrame = this.close; this.$PLAY(); } } }, close:function (){ this.tit.innerHTML = "+"; var _r = parseInt(this.box.style.right); var _b = (-this.Maxw - _r)/5; this.box.style.right = Math.round(_r + _b) +"px"; this.kong.style.top = (document.documentElement.scrollTop + this.boxTop) +"px"; } }; window.onload = function (){ setTimeout(function(){new CLS.Marquee("tit","abc",10)},3000); //tit是點擊按鈕的Id ，abc是浮動塊的ID,10是顯示時長 }; </script> <style type="text/css"> <!-- #abc { border: 1px solid #003399; position: absolute; height: 150px; width: 220px; right: -100%; } #abc #tit { background-color: #0066FF; position: relative; height: 100%; width: 20px; color: #FFFFFF; text-align: center; float: left; } #kong { position: absolute; width: 100%; top: 100px; overflow: hidden; top: 100px; right: 0px; } .right { float: right; width: 190px; padding: 5px; } --> </style> </head> <body style="margin:0px;"> <!--浮動框外面套一層，防止出現橫向滾動條--> <div id="kong"> <!--浮動框--> <div id="abc"> <div id="tit">-</div> <div class="right"> <a href="/">網頁上從右邊緩緩彈出的廣告框效果</a></div> </div> </div> 右側廣告3秒後彈出 </body> </html>希望本文所述對大家的javascript程序設計有所幫助。