How To Show Prompt Message When Refreshing The Page

I work on Javascript and I have a simple page.I need to prompt message appear when user want to refresh the page(F5, so on). Is there any method to do so? I have tried to use meth

Solution 1:

You can use window.onbeforeunload. The user will be prompted your message and he has the possibility to stay or to leave.

JavaScript

window.onbeforeunload = function(e) {
    return"Don't leave";
};

Demo

Try before buy

Learn more on the MDN window.onbeforeunload