Event | Keep

Event
- type/timestamp/eventPhase/bubbles/Comparison of Event Targets
- UIEvent
  - view
  - MouseEvent
    - click/dblclick/mousedown/mouseup
    - button/buttons/offsetX/offsetY/layerX/layerY/clientX[x]/clientY[y]/pageX/pageY/screenX/screenY/movementX/movementY
    - WheelEvent
      - wheel
      - deltaX/deltaY/deltaZ/deltaMode
      - https://github.com/facebookarchive/fixed-data-table/blob/master/src/vendor_upstream/dom/normalizeWheel.js
    - DragEvent
      - drag/dragstart/dragenter/dragover/dragleave/dragend/drop
      - dataTransfer
    - PointerEvent
      - pointerdown/pointermove/pointerenter/pointerover/pointerleave/pointerout/pointerup/pointercancel/gotpointercapture/lostpointercapture
      - pointerId/width/height/pressure[0-1]/tiltX/tiltY/twist/isPrimary
  - FocusEvent
    - focus/blur/focusin/focusout
  - KeyboardEvent
    - keydown/keyup/keypress
    - altKey/ctrlKey/shiftKey/metaKey/key/repeat
    - getModifierState
    - Keyboard
  - InputEvent
    - beforeinput/input
    - data/dataTransfer/inputType/isComposing
  - TouchEvent
  - CompositionEvent
    - compositionstart/compositionupdate/compositionend
    - data