so in the game eaglercraft (https://eaglercraft.gabrielzv1233.repl.co/) when you press the close page button, it gives you a prompt to ask if you are sure if you want to close the game, how do I do that. I only grabbed the code from GitHub (because the website that hosts it doesn’t work anymore) and imported it to replit
window.onbeforeunload = function() {
return "";
}
Some older browsers would display the message returned by window.onbeforeunload
however modern browsers will ignore this with an unchangable message (which is why we return an empty string)
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