<script> var cookieString = new String(document.cookie) var cookieHeader = 'happy_pop=' //更换happy_pop为任意名称 var beginPosition = cookieString.indexOf(cookieHeader) if (beginPosition <0){ window.open('2.html','','top=0,left=0,width=787,height=480,toolbar=yes,menubar=yes,scrollbars=yes,resizable=yes,location=yes,status=yes'); var Then = new Date() Then.setTime(Then.getTime() + 60*1000 ) //同一ip设置过期时间,即多长间隔跳出一次 document.cookie = 'happy_pop=yes;expires='+ Then.toGMTString() //更换happy_pop和第4行一样的名称 } </script>