R0maric

// gecko and  webkit
// details here https://developer.mozilla.org/en-US/docs/DOM/event.initKeyEvent

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


keyboardEvent[initMethod](
                   "keydown", // event type : keydown, keyup, keypress
                    true,     // bubbles