18 июл. 2022 г. · Conditional rendering is more flexible. The only reason to use return null is when otherwise conditional rendering would be exactly the same in ...

27 мая 2022 г. · It is not bad practice. I do sometimes create component plugin with returning null, however, custom hook is more suitable for the most of ...

21 мая 2020 г. · Since a component eventually results in a rendered DOM node, it has to have a value to render. It can return null, and the browser will render ...

7 окт. 2024 г. · My rule of thumb is that components should never return null. Lift the conditional up to the page level and let the page decide whether or not ...

14 авг. 2023 г. · I'm trying to understand fetching with async/await syntax, and my code seems to be returning null. I think it has something to do with race condition.

25 апр. 2022 г. · Returning null from a component's render method does not affect the firing of the component's lifecycle methods. For instance componentDidUpdate will still be ...

14 июл. 2023 г. · If we return null then the component will not render, which means the useEffect will not run.

5 янв. 2024 г. · I can't return a context provider with the value until after the object is created. This means the first render will return an empty fragment, is this bad ...

31 мая 2020 г. · In react if you want to render nothing either you can return null from the component or you can also render an empty fragment.

5 мар. 2024 г. · Every time you set state, React throws the old component away and renders a new one with the new state. So… conditionsMet === true => set state, ...