Spread and Rest Operators in JavaScript
The ... operator (spread or rest) is one of the most useful ES6 features. It has two main uses depending on context: spreading elements/properties or collecting (rest) them.
Spread Operator – Expanding
Spread expands an iterable (array, string) or object into individual elements/properties.
Spread with Arrays
Spread with Objects
Rest Operator – Collecting
Rest Parameters in Functions
Rest in Destructuring
Quick Quiz
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