altKey boolean (true == pressed) bubbles boolean (true == event bubbles, false == event doesn't) button string (1 == left, 3 == right) cancelable boolean (true == event can be cancelled) cancelBubble boolean (true == event bubbling is/becomes cancelled) ctrlKey boolean (true == pressed) currentTarget boolean (object where listener intercepted event) eventPhase long (0 == capture, 1 == found target, 3 == bubbling) keyCode long (ASCII keycode) shiftKey boolean (true == pressed) target object (where event will turn and bubble upward) type string (event name "click", "mouseover", etc.)