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What is the type of array in js

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Release: 2024-05-07 21:45:23
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Array type in JavaScript: Object. They can contain a variety of elements, including primitive types and objects, and can be manipulated using built-in methods, such as adding, removing, and copying elements.

What is the type of array in js

Types of arrays in JS

In JavaScript, an array is an ordered data structure used for Stores a set of elements of the same type.

Array type

Arrays in JavaScript are objects. This means that arrays have properties and methods, which can be accessed using the dot operator (.). For example, you can use the length property to get the number of elements of an array, or use the push() method to add elements to the end of an array.

Array elements

Array elements can be any JavaScript type, including primitive types (such as numbers, strings, Boolean values) and objects. Arrays can also be nested, that is, one array can contain another array.

Operation Array

JavaScript provides a large number of built-in methods to operate arrays, for example:

  • push(): Add elements to the end of the array
  • pop(): Remove elements from the end of the array
  • shift(): Remove from the beginning of the array Element
  • unshift(): Adds an element to the beginning of the array
  • slice(): Creates a copy of a portion of the array
  • splice(): Add or delete elements in the array, and return the deleted elements

Using arrays

Arrays are JavaScript A common data structure used to store and organize data. They are suitable for a variety of applications, including:

  • Store form inputs
  • Create shopping lists
  • Manage user data
  • Track application status

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