时间: 2021-07-31 作者:daque
偶尔为了那种须要,诉求加入一个页面时弹出一个窗口.但历次进时髦城市弹出,就使人感遭到烦.还好吗实只弹出一次呢?底下的步调将实行欣赏才第一次考察这页时弹出窗口,此后再加入则不会弹出.在<head>…..</head>之间介入下列代码:<script languang="javascript">function openpopup(){ window.open("hello.htm","","width=300,height=300") //本人窜改弹出窗口 }function get_cookie(name) { var search = name + "=" var returnvalue = ""; if (document.cookie.length > 0) { offset = document.cookie.indexof(search) if (offset != -1) { // if cookie exists offset += search.length // set index of beginning of value end = document.cookie.indexof(";", offset); // set index of end of cookie value if (end == -1) end = document.cookie.length; returnvalue=unescape(document.cookie.substring(offset, end)) } } return returnvalue;}function loadpopup(){ if (get_cookie("popped")==""){ openpopup() document.cookie="popped=yes" }}</script> 将如次代码键入body区:<body onload="loadpopup()"> //pop when enter page