window.onbeforeunload…alert to restrict when refresh button click?

Question

I have security problem that when user sing in

if he leave\\close the window before logout, I want to show alert Msg!

So that i Did,

window.onbeforeunload   = function(){  return " confirm msg";}

I get the alert but Now problem Is,

If i click refresh button default operation wanna Run. (with out alert msg)

I got the answer in keyBoard but not in Can any one help me,

how to detect when the user click the Refersh button

if u have any suggestion pls post...

Answer 1

不幸的是，您无法判断onbeforeunload事件是否由刷新，关闭等触发。