I just want to show a message before leaving the page, but my code doesn't works:
window.onload=function(){
alert("Page with a digital clock");
setInterval(clock,1000);
}
window.onbeforeunload=function(){
alert("Are you sure to leave this page?");
}
The "onload alert" works fine,...
I just want to show a message before leaving the page, but my code doesn't works:
window.onload=function(){
alert("Page with a digital clock");
setInterval(clock,1000);
}
window.onbeforeunload=function(){
alert("Are you sure to leave this page?");
}
The "onload alert" works fine,...