Hooks

Topics

Pages

• Callback hook
• Context hook
• Custom hooks
• Effect hook

  Perform side effects in Function components

• Importing
• Overview

  All available hooks

• Rules of hooks
• State hook

Content

Hooks were added in React 16.8 and let you use state and lifecycle methods in a functional component, where before you had to use a class component.

Note that hooks must be used in functions and not nested within each other. You cannot add a useState hook within a useEffect hook.

Resources

• Intro to Hooks in the docs.
• Hooks at a glance