Per-key overrides merged over DEFAULT_KEYMAP: null removes a key, an action adds or remaps one. Keys are KeyboardEvent.key values; single characters are matched case-insensitively.
null
KeyboardEvent.key
Per-key overrides merged over DEFAULT_KEYMAP:
nullremoves a key, an action adds or remaps one. Keys areKeyboardEvent.keyvalues; single characters are matched case-insensitively.