Giới thiệu hook React useRef() 🗳️

#reactjs #tutorial #course

00:00:00 introduction

00:01:01 setup

00:03:02 useRef()

00:05:11 html ref attribute

00:08:06 multiple useRef()

00:10:10 useState() vs useRef()

00:10:28 conclusion

// useState() = Re-renders the component when the state value changes

// useRef() = Does not cause re-renders when its value changes.

// 1. Accessing/Interacting with DOM elements

// 2. Handling Focus, Animations, and Transitions

// 3. Managing Timers and Intervals