message: fix: fix keyName checking for arrow keys in IE11
  fix
diff: @@ -22,10 +22,11 @@ const keyNames: { [key: string]: string | Array<string> } = {
  tab: 'Tab',
  enter: 'Enter',
  space: ' ',
  - up: 'ArrowUp',
  - left: 'ArrowLeft',
  - right: 'ArrowRight',
  - down: 'ArrowDown',
  + // #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
  + up: ['Up', 'ArrowUp'],
  + left: ['Left', 'ArrowLeft'],
  + right: ['Right', 'ArrowRight'],
  + down: ['Down', 'ArrowDown'],
  'delete': ['Backspace', 'Delete']
  }
  