9 нояб. 2017 г. · Best practice for an "empty" component - null? empty div? (A valid React element (or null) must be returned) · reactjs · typescript.

9 февр. 2022 г. · There is no problem in returning null; react official document uses null it in their examples as well. Also it is specified as valid node type in react.

10 авг. 2021 г. · The problem is that you have declared a function called AddTask in App component, which overwrites the component AddTask from the scope.

15 июл. 2020 г. · I have a React component that returns its children to be rendered by React if the prop isTrue is truth-y. If its prop isTrue is false-y, then the component ...

3 окт. 2021 г. · I have a DishDetail component that renders that selectedDish information. The component mounts and renders, but my dishdetail renders null.

24 нояб. 2020 г. · If I pass null props to the Hello component, The Hello component will not use the default value, instead, it will just use null as a value and render it.

17 мая 2019 г. · It won't delete the component if the key property will set to null. key={null} is just another key like key={'unique-key'} and generating child.key === ".$null ...

11 июл. 2022 г. · Instead of using hidden attribute, you can render your component with ternary operator: {name ? <MyReactComponent name={name} /> : null}

18 мар. 2021 г. · Two suggestions: Make it a normal function that accepts its parameters as an object, probably using destructuring. (A component receives its ...

21 янв. 2021 г. · Using React, how can a child component be wrapped conditionally in another element if it is not returning null when rendered?