#35: Why we use Three Dots in useState: Discover 4 Real Use Cases of the Spread Operator in React 

Dive into the world of React.js with our detailed tutorial on the spread operator and its usage in the useState hook. Learn the syntax and four practical use cases of the spread operator, including copying arrays, concatenating arrays, adding elements to an array, and spreading object properties.
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⌛TIMELINE⏳
0:00 Introduction to the Three Dots in useState in React
0:55 Understanding the Spread Operator in React.js
2:40 Syntax and Four Use Cases of Spread Operator
4:00 Use Case 1: Copying an Array
8:55 Use Case 2: Concatenating Arrays
12:00 Use Case 3: Adding Elements to an Array
14:15 Use Case 4: Spreading Object Properties
17:30 Challenge for You
18:05 Next Video Update