Do you want BuboFlash to help you learning these things? Or do you want to add or correct something? Click here to log in or create user.



Context Hooks

Context lets a component receive information from distant parents without passing it as props. For example, your app’s top-level component can pass the current UI theme to all components below, no matter how deep.

 function Button ( ) { 
 const theme = useContext ( ThemeContext ) ; 
 // ...
If you want to change selection, open document below and click on "Move attachment"

Built-in React Hooks – React
iable that you can update directly. useReducer declares a state variable with the update logic inside a reducer function. function ImageGallery() { const [index, setIndex] = useState(0); // ... <span>Context Hooks Context lets a component receive information from distant parents without passing it as props. For example, your app’s top-level component can pass the current UI theme to all components below, no matter how deep. useContext reads and subscribes to a context. function Button() { const theme = useContext(ThemeContext); // ... Ref Hooks Refs let a component hold some information that isn’t used for rendering, like a DOM node or a timeout ID. Unlike with state, updating a ref does not re-render your component.


Summary

statusnot read reprioritisations
last reprioritisation on suggested re-reading day
started reading on finished reading on

Details


Discussion

Do you want to join discussion? Click here to log in or create user.