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Context.once() method
The “bind” event is emitted when a new binding is added to the context. The “unbind” event is emitted when an existing binding is removed.
Signature:
once(eventName: 'bind' | 'unbind', listener: ContextEventListener): this;
Parameters
| Parameter | Type | Description |
|---|---|---|
|
eventName |
‘bind’ | ‘unbind’ |
The name of the event - always |
|
listener |
The listener function to call when the event is emitted. |
Returns:
this