Function _preventDefault

client/vendors/mousetrap.js:411–418

* prevents default for this event * * @param {Event} e * @returns void

(e)

     * @returns void
     */
    function _preventDefault(e) {
        if (e.preventDefault) {
            e.preventDefault();
            return;
        }

        e.returnValue = false;
    }

    /**
     * stops propogation for this event