visual-js/lib/events/onbeforeunload.js

[3.0.26] Prepare for npm usage. Special integration for matrix engine 1.9.0 Thunder.

window.onbeforeunload = function (e) {

    console.log("GLOBAL EVENT : BEFORE_UNLOAD");

    e = e || window.event;

    // For IE and Firefox prior to version 4
    if (e) {
        e.returnValue = "Dont prevent alert msg box it is a main tool for visual js .\n Reload  Sure?";
    }

    // For Safari
    return "Dont prevent alert msg box it is a main tool for visual js .\n  Reload Sure?";

};