Скачать или смотреть ES6/JavaScript Object/Array Destructuring, Spread Syntax, and the Rest Parameter-complete tutorial

In JavaScript, we use objects to store multiple values as a complex data structure. There are hardly any JavaScript applications that do not deal with objects.

Destructuring assignment allows assigning the properties of an Array or Object to multiple variables at once. There are two types of restructuring; object destructuring and array destructuring.


The Spread Syntax (also known as the Spread Operator) is another excellent feature of ES6. As the name indicates, it takes an iterable (like an array) and expands (spreads) it into individual elements.

The Rest parameter is kind of opposite to the spread syntax. While spread syntax helps expand or spread elements and properties, the rest parameter helps collect them together.


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