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Building Front-End Web Applications with Plain JavaScript

Important Types of Basic Data Structures

Explore essential JavaScript data structures such as arrays, records, maps, and entity tables. Understand their conceptual differences and how distinguishing these helps improve code design and readability.

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Types of data structures

In summary, here are the four types of important basic data structures:

  1. Arrays, such as ["one", "two", "three"], are special JS objects. Since they are dynamic, however, they behave more like array lists in JavaScript.
  2. Records are special JS objects, such as
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