24 docs tagged with "Components"

There are special "props" called Children. Sometimes you

Modify the code in App.tsx and add following code

React is built from so called "components", The word has

In essence hooks are reusable functions.

Catching rendering errors with an error boundary

Before React version 16.8 function components didn't have

GraphQL is a query language for APIs and a runtime for executing those queries with your existing data.

Hooks were added to React in version 16.8.

In a real-life situation you will of course need to deal with

In React, observables are typically used with libraries like

What are props (properties)? Props are "settings" for a

Implementation of the "Employee Card".

Implementation of the "Employee Card".

The syntax for adding children to a component is the same for

One of the most important - if not the most important -

File: src/App.tsx

File: src/App.tsx

Naming

The React useCallback hook returns a memoized callback function.

React Context is a way to manage state globally.

The useEffect Hook allows you to perform side effects in your components.

The useReducer hook is similar (in functionality) to

The useRef has two purposes:

The React useState Hook allows us to track state in a