Returns an ID which can be passed to unlisten() to unregister the callback.
| Usage | Returns |
|---|---|
Select.onChange(callback) | String |
| Argument | Type | Details |
|---|---|---|
this: ui.select | ui.Select | The ui.Select instance. |
callback | Function | The callback to fire when an item is selected. The callback is passed the currently selected value and the select widget. |