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Dev.to
6/26/2026
Destructuring in JavaScript

Destructuring in JavaScript

Short summary

JavaScript destructuring extracts values from objects and arrays into variables with concise syntax, eliminating repetitive property lookups. The tutorial covers array destructuring (position-based), object destructuring (name-based), renaming properties, nested destructuring, function parameters, and default values with practical before/after examples. Each pattern improves code readability and is immediately applicable to everyday development.

  • Array destructuring extracts values by position using square bracket syntax
  • Object destructuring extracts values by property name using curly brace syntax
  • Common patterns include nested destructuring, renaming, and function parameter destructuring

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