When using React, it’s necessary to unmount functions to remove them from the DOM and perform necessary cleanup.
componentWillUnmount() {
LCC.removeMessageHandler(this.onMessage);
}
You can view and download this example in the Developerforce Github Repository.
Name | Type | Description |
---|---|---|
handler: (userMsg: any) => void | function | The function that handles messages sent from the Lightning component. |