React & Modern Frontend (445 Qs)•Part 11: Legacy Architecture, Migration Patterns & Historical Internals (354 - 445)
What is the purpose of unmountComponentAtNode method?
This method is available from react-dom package and it removes a mounted React component from the DOM and clean up its event handlers and state. If no component was mounted in the container, calling this function does nothing. Returns true if a component was unmounted and false if there was no component to unmount.
csharp
The method signature would be as follows,
javascript
ReactDOM.unmountComponentAtNode(container);