ui.Button.onClick
Registers a callback that's fired when the button is clicked.
Returns an ID which can be passed to unlisten() to unregister the callback.
Usage | Returns |
---|
Button.onClick(callback) | String |
Argument | Type | Details |
---|
this: ui.button | ui.Button | The ui.Button instance. |
callback | Function | The callback to fire when the button is clicked. The callback is passed the button widget. |
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2023-10-06 UTC.
[null,null,["Last updated 2023-10-06 UTC."],[[["The `onClick` method registers a callback function that executes when the button is clicked."],["It returns a unique ID that can be used with `unlisten()` to remove the registered callback."],["The callback function receives the button widget as an argument when triggered."]]],["The `Button.onClick` method registers a callback function to be executed upon a button click. It accepts a function as an argument, which will be passed the button widget when triggered. The method returns a unique string ID, used to unregister the callback later via `unlisten()`. The function callback is associated with the specific `ui.Button` instance where `onClick` is used.\n"]]