Unmounts the message-handling function.
When using React, it’s necessary to unmount functions to remove them from the DOM and perform necessary cleanup.
Sample
Used within a JavaScript app uploaded as a static resource and referenced by lightning:container, this example unmounts a message handling function.
componentWillUnmount() {
LCC.removeMessageHandler(this.onMessage);
}
Arguments
| Name | Type | Description |
|---|---|---|
handler: (userMsg: any) => void |
function | The function that handles messages sent from the Aura component. |
Response
None.