首页捕获关闭窗口的脚本 2020-02-16 标签:捕获,关闭,窗口,脚本,html,body,script,function,leavewin,event,returnvalue,call,确定,window function LeaveWin(){ event.returnValue="call,确定要关闭吗"; } window.onbeforeunload=LeaveWin;