本文实例讲述了JS实现一次性弹窗的方法。分享给大家供大家参考，具体如下：
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<!DOCTYPE html PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type"content="text/html; charset=UTF-8"> <title>Insert title here</title> <script> functionopenwin() { window.open("","","width=200,height=200"); } functionget_cookie(name) { varsearch = name+"="; varreturnvalue =""; if(document.cookie.length>0) { offset = document.cookie.indexOf(search); if(offset!=-1) { offset = search.length; end = document.cookie.indexOf(";",offset); if(end==-1) { end = document.cookie.length; } returnvalue = unescape(document.cookie.substring(offset,end)); } } returnreturnvalue; } functionloadpopup() { if(get_cookie("popped")=='') { openwin(); document.cookie="popped=yes"; } } </script> </head> <body onload="loadpopup();"> </body> </html> |