Difference Between JavaScript Arrays and Objects

  • JavaScript arrays use indexes as numbers.
  • objects use indexes as names..

JavaScript Arrays

An array in JavaScript is a data structure used to store multiple values in a single variable. It can hold various data types and allows for dynamic resizing. Elements are accessed by their index, starting from 0.

JavaScript Array

You have two ways to create JavaScript Arrays: using the Array constructor or the shorthand array literal syntax, which is just square brackets. Arrays are flexible in size, so they can grow or shrink as you add or remove elements.

Table of Content

  • What is Array in JavaScript?
  • Basic Terminologies of JavaScript Array
  • Declaration of an Array
  • Basic Operations on JavaScript Arrays
  • Difference Between JavaScript Arrays and Objects
  • When to use JavaScript Arrays and Objects?
  • Recognizing a JavaScript Array
  • JavaScript Array Complete Reference
  • JavaScript Array Examples
  • JavaScript CheatSheet

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Basic Terminologies of JavaScript Array

Array: A data structure in JavaScript that allows you to store multiple values in a single variable.Array Element: Each value within an array is called an element. Elements are accessed by their index.Array Index: A numeric representation that indicates the position of an element in the array. JavaScript arrays are zero-indexed, meaning the first element is at index 0.Array Length: The number of elements in an array. It can be retrieved using the length property....

Declaration of an Array

There are basically two ways to declare an array i.e. Array Literal and Array Constructor....

Basic Operations on JavaScript Arrays

1. Accessing Elements of an Array...

Difference Between JavaScript Arrays and Objects

JavaScript arrays use indexes as numbers. objects use indexes as names.....

When to use JavaScript Arrays and Objects?

Arrays are used when we want element names to be numeric.Objects are used when we want element names to be strings....

Recognizing a JavaScript Array

There are two methods by which we can recognize a JavaScript array:...

JavaScript Array Complete Reference

We have a complete list of Javascript Array, to check those please go through this JavaScript Array Reference article. It contains a detailed description and examples of all Array Properties and Methods....

JavaScript Array Examples

JavaScript Array examples contain a list of questions that are majorly asked in interviews. Please check this article JavaScript Array Examples for more detail....

JavaScript CheatSheet

We have a Cheat Sheet on Javascript where we have covered all the important topics of Javascript to check those please go through Javascript Cheat Sheet-A Basic guide to JavaScript....