JSFiddle - React, Tailwind, and code Playground

by vinishanto

JavaScript

window.onbeforeunload = function (e) {
    var e = e || window.event;
    //IE & Firefox
    if (e) {
        e.returnValue = 'Your information has not been saved yet. If you leave now, the information might be lost.';
    }
    // For Safari
    return 'Your information has not been saved yet. If you leave now, the information might be lost.';
};