Example
window.onbeforeunload = function() {
return "Are you sure to go back?";
};
Example Program:- (Editor)
Editor is Loading...
Advertisement
window.onbeforeunload = function() {
return "Are you sure to go back?";
};
Download CorelDRAW Graphics Suite 2019 v21.1.0.628 Portable Free latest version offline setup for Microsoft Windows 7, 8, 10, XP, Vista. Cor...
0 nhận xét:
Đăng nhận xét