28 февр. 2023 г. · In this post, we'll explore why using return null from React components is considered bad practice and why return false is a better alternative.

Returning null. When a component returns null , it tells React not to render anything in the DOM for that component. This can be useful when you ...

7 февр. 2017 г. · Yes you can, but instead of blank, simply return null if you don't want to render anything from component, like this: return (null); Is it good practice for a react component to have returned value ... react component return problem when props are null Другие результаты с сайта stackoverflow.com

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 ...

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 ... Is it bad to have components that return null, what approach ... Which is preferred among null, an empty Fragment, and false? Другие результаты с сайта www.reddit.com

If isPacked is true, the component will return nothing, null . Otherwise, it will return JSX to render.

9 апр. 2023 г. · When a component returns null, it means it doesn't want to render anything. React will skip rendering this component and any children it may ...

12 окт. 2023 г. · Returning null won't achieve the same optimization because React will still traverse the component tree. It might not have any visual impact, ...

26 мая 2021 г. · Moving the show validation to the parent component instead of the child will make the rendering to be truly conditional.

20 авг. 2021 г. · Yes a component can return null but I want to know by retuning null does react-docgen skip getting props for that component or not.