call-child-function-from-parent-component-in-react/

[utterances-bot]

How To Call Child Function From Parent Component In React | Dilshan Kelsen

One way to call a child component's function from its parent is with the help of the useRef hook . Here's the gist of it: We pass a…

https://dilshankelsen.com/call-child-function-from-parent-component-in-react/

[Terro216]

Thanks, nice example

[avoajaugochukwu]

Thank you Dilshan, this worked for me.

[MarkMGill]

Works great, thank you!

[muammarFaiz]

so it pass the alertUser function to parent using useEffect right?
but what if alertUser try to access some variable from the child component? will it work and why?

[GreatState]

Does this work with React 18 best practices https://beta.reactjs.org/learn/synchronizing-with-effects#

?

[dkelsen]

@muammarFaiz In that case, you would need add alertuser to the dependency array of useEffect, otherwise the function instance assigned to childFunc.current will reference stale variables.