Package com.google.gwt.event.dom.client

## Interface HasKeyUpHandlers

- All Superinterfaces:
    `HasHandlers`
  All Known Subinterfaces:
    `AutoDirectionHandler.Target`, `HasAllKeyHandlers`, `TabBar.Tab`
  All Known Implementing Classes:
    `Anchor`, `Audio`, `Button`, `ButtonBase`, `Canvas`, `CheckBox`, `CustomButton`, `DoubleBox`, `FileUpload`, `FocusPanel`, `FocusWidget`, `IntegerBox`, `ListBox`, `LongBox`, `MediaBase`, `PasswordTextBox`, `PushButton`, `RadioButton`, `ResetButton`, `RichTextArea`, `SimpleCheckBox`, `SimpleRadioButton`, `SubmitButton`, `SuggestBox`, `TextArea`, `TextBox`, `TextBoxBase`, `ToggleButton`, `Tree`, `ValueBox`, `ValueBoxBase`, `Video`

      public interface HasKeyUpHandlers
      extends HasHandlers

  A widget that implements this interface provides registration for `KeyUpHandler` instances.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `HandlerRegistration` | `addKeyUpHandler​(KeyUpHandler handler)` | Adds a `KeyUpEvent` handler.

    - ### Methods inherited from interface com.google.gwt.event.shared.HasHandlers

      `fireEvent`

- - ### Method Detail

    - #### addKeyUpHandler

          HandlerRegistration addKeyUpHandler​(KeyUpHandler handler)

      Adds a `KeyUpEvent` handler.
      Parameters:
        `handler` - the key up handler
      Returns:
        `HandlerRegistration` used to remove this handler