coffee_cn

摘要： 离开页面时,检测表单元素是否被修改,然后给出提示.代码Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--window.onbeforeunload=function(){if(is_form_changed()){return"您的修改内容还没有保存，您... 阅读全文