this.test = function(){
    if ($container.length) {
        $container[0].focus();
    }

    var keyboardEvent = document.createEvent("KeyboardEvent");
    var initMethod = typeof keyboardEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";

    keyboardEvent[initMethod](
        "keydown",
        true,      // bubbles oOooOOo0
        true,      // cancelable
        window,    // view
        false,     // ctrlKeyArg
        false,     // altKeyArg
        false,     // shiftKeyArg
        false,     // metaKeyArg
        37,
        0          // charCode
    );

    $element[0].dispatchEvent(keyboardEvent);
}