useRef

Explore the useRef Hook in React to create mutable references that persist throughout a component's lifecycle. Understand how useRef enables managing element focus and storing values without causing component re-renders.

We'll cover the following...

What is useRef()?

Code Example

What is `useRef()`?

The useRef() Hook is used to create references by using a dedicated Hook. We’ll call it in the following way:

const ref = useRef(initialValue);

Code Example

Let’s look at an ...

1.Introduction

2.Introduction to ES2015+

3.JSX – an Introduction

4.Rendering of Elements and Components in React

5.State and Lifecycle Methods

6.Event Handling

7.Forms

8.Lists, Fragments, and Conditional Rendering

9.CSS and Styling

10.Higher Order Components

11.Functions as a Child and Render Props

12.Context API

13.Refs

14.Error Boundaries

15.Portals

16.Code Splitting

17.Typechecking with PropTypes, Flow, and TypeScript

18.React Hooks – an Introduction

19.Hooks in Action

20.The Hooks API

21.Routing in React

22.State Management

23.Internationalization

24.Conclusion

25.Appendix

useRef

What is `useRef()`?

Code Example

useRef

What is useRef()?

Code Example

What is `useRef()`?