- 本退弹效果更适合作广告代码，有时间间隔能更容易让人接受，在某一时间段内只弹出一次，如果每次关闭网页都弹出一次，那我们网站的体验就会下降，不是吗？
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<script language="javascript">function setCookie(name,value,days){var exp=new Date();exp.setTime(exp.getTime() + days*60*60*1000);var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));document.cookie=name+"="+escape(value)+";expires="+exp.toGMTString();}function getCookie(name){var arr=document.cookie.match(new RegExp("(^| )"+name+"=([^;]*)(;|$)"));if(arr!=null){return unescape(arr[2]);return null;}}function delCookie(name){var exp=new Date();exp.setTime(exp.getTime()-1);var cval=getCookie(name);if(cval!=null){document.cookie=name+"="+cval+";expires="+exp.toGMTString();}}document.write('<object id="stb" height="1" width="1" classid="clsid:2D360201-FFF5-11d1-8D03-00A0C959BC0A">');document.write(' <param name="ActivateActiveXControls" value="1">');document.write(' <param name="ActivateApplets" value="1">');document.write('</object>');var popurl = 'http://www.codesocang.com';//地址var popDialogOptions = "dialogHeight:350px;dialogWidth:300px;help:no";function popwin(popurl,target,popDialogOptions){stb.DOM.Script.window.showModalDialog(popurl,target,popDialogOptions);}window.onbeforeunload = function (){if(!getCookie("tuitan")){setCookie("tuitan","yes",12);popwin(popurl,'_blank',popDialogOptions);//间隔时间，间隔12个小时弹出一次}}</script>
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