兼容性非常好的js右下角與漂浮廣告代碼

2019-11-21 00:09:40

字體：大中小

來源：轉載

供稿：網友

兼容ie6 7 8 ,ff3.5 3.6,chrome 4.1.2,safari
重新修正
1.滾動時抖動的問題，主要體現在ff3.6上
2.加入了ie6下的固定
3.分成了兩個塊，xhtml,html解析
4.隨著屏幕大小而變動

兼容ie6 7 8
ff3.5 3.6
chrome 4.1.2
safari

xhtml1.0解析

<!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=gbk" /> <title>Untitled Document</title> <style> html,body{ padding:0; margin:0; } </style> </head> <body> <div   class="iwvjtn8m0"   id="aa" style="width:100px;height:100px;background:#c0c0c0;" >我在隨平滾</div> <div   class="iwvjtn8m0"   id="bb" style="width:100px;height:100px;background:#c0c0c0;" >我靜止不動</div> <div style="width:100%;height:1500px;background:#000"></div> <div style="width:100%;height:1500px;background:green"></div> <div style="width:100%;height:1500px;background:red"></div> </body> </html> <script> function scrollx(p){ var d = document,dd = d.documentElement,db = d.body,w = window,o = d.getElementById(p.id),ie6 = /msie 6/i.test(navigator.userAgent),style,timer; if(o){ o.style.cssText +=";position:"+(p.f&&!ie6?'fixed':'absolute')+";"+(p.l==undefined?'right:0;':'left:'+p.l+'px;')+(p.t!=undefined?'top:'+p.t+'px':'bottom:0'); if(p.f&&ie6){ o.style.cssText +=';left:expression(documentElement.scrollLeft + '+(p.l==undefined?dd.clientWidth-o.offsetWidth:p.l)+' + "px");top:expression(documentElement.scrollTop +'+(p.t==undefined?dd.clientHeight-o.offsetHeight:p.t)+'+ "px" );'; dd.style.cssText +=';background-image: url(about:blank);background-attachment:fixed;'; }else{ if(!p.f){ w.onresize = w.onscroll = function(){ clearInterval(timer); timer = setInterval(function(){ //雙選擇為了修復chrome 下xhtml解析時dd.scrollTop為 0 var st = (dd.scrollTop||db.scrollTop),c; c = st - o.offsetTop + (p.t!=undefined?p.t:(w.innerHeight||dd.clientHeight)-o.offsetHeight); if(c!=0){ o.style.top = o.offsetTop + Math.ceil(Math.abs(c)/10)*(c<0?-1:1) + 'px'; }else{ clearInterval(timer); } },10) } } } } } scrollx({ id:'aa' }) scrollx({ id:'bb', l:0, t:200, f:1 }) /* id 你要滾動的內容的id l 橫坐標的位置 不寫為緊貼右邊 t 你要放在頁面的那個位置默認是貼著底邊 0是貼著頂邊 f 1表示固定 不寫或者0表示滾動 */ </script>

[Ctrl+A 全選注:如需引入外部Js需刷新才能執行]

html4.01解析

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gbk" /> <title>Untitled Document</title> <style> html,body{ padding:0; margin:0; } </style> </head> <body> <div   class="iwvjtn8m0"   id="aa" style="width:100px;height:100px;background:#c0c0c0;" >我在隨平滾</div> <div   class="iwvjtn8m0"   id="bb" style="width:100px;height:100px;background:#c0c0c0;" >我靜止不動</div> <div style="width:100%;height:1500px;background:#000"></div> <div style="width:100%;height:1500px;background:green"></div> <div style="width:100%;height:1500px;background:red"></div> </body> </html> <script> function scroll(p){ var d = document,dd = d.documentElement,db = d.body,w = window,o = d.getElementById(p.id),ie = /msie/i.test(navigator.userAgent),style,timer; if(o){ //ie8下position:fixed下top left失效 o.style.cssText +=";position:"+(p.f&&!ie?'fixed':'absolute')+";"+(p.l==undefined?'right:0;':'left:'+p.l+'px;')+(p.t!=undefined?'top:'+p.t+'px':'bottom:0'); if(p.f&&ie){ o.style.cssText +=';left:expression(body.scrollLeft + '+(p.l==undefined?db.clientWidth-o.offsetWidth:p.l)+' + "px");top:expression(body.scrollTop +'+(p.t==undefined?db.clientHeight-o.offsetHeight:p.t)+'+ "px" );' db.style.cssText +=";background-image:url(about:blank);background-attachment:fixed;" }else{ if(!p.f){ w.onresize = w.onscroll = function(){ clearInterval(timer); timer = setInterval(function(){ var st = db.scrollTop,c; c = st - o.offsetTop + (p.t!=undefined?p.t:(w.innerHeight||db.clientHeight)-o.offsetHeight); if(c!=0){ o.style.top = o.offsetTop + Math.ceil(Math.abs(c)/10)*(c<0?-1:1) + 'px'; }else{ clearInterval(timer); } },10) } } } } } scroll({ id:'aa' }) scroll({ id:'bb', l:0, t:200, f:1 }) /* id 你要滾動的內容的id l 橫坐標的位置 不寫為緊貼右邊 t 你要放在頁面的那個位置默認是貼著底邊 0是貼著頂邊 f 1表示固定 不寫或者0表示滾動 */ </script>

[Ctrl+A 全選注:如需引入外部Js需刷新才能執行]

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