stretch07·2 года назад·discussthis is so cool! I'm recommending this to my friend who DJs for a living.
stretch07·2 года назад·discuss> window.onbeforeunload = () => "Are you sure you want to close this browser tab"besides the fact that now all browsers just display the uninformative "Your unsaved data may be lost" rather than any custom message, this would be a perfect addition.