JavaScript Tutorial
  • 🍼Introduction
  • 🥛Hello Gamers
  • 🍯Variables
    • Action Game Example
  • 🌰Strings
    • RPG Example
  • 🍪Character Acces
    • Simulation Example
  • 🍩Plus (+) operator
    • Strategy Game Example
  • 🥜Functions
    • Adventure Game Example
  • 🍿Template strings
    • Strategy Game Example
  • 🍫Numbers
    • Sports Game Example
  • 🍬Converting Numbers to Strings
    • Fighting Game Example
  • 🍭Operations
    • FPS Game Example
  • 🍮Conditions
    • Platformer Game Example
  • 🎂Arrays
    • Puzzle Game Example
  • 🍰Objects
    • Racing Game Example
  • 🧁Arrow Functions
    • Rhythm Game Example
  • 🔌Shameless Plug
  • 🥧Implicit Return
    • Platform Game Example
  • 🍦String Methods
    • GRID Game Example
  • 🍨Object Literals
    • Board Game Example
  • 🍧DynamicProperty
    • Political Game Example
  • 🍡Reading Dynamic Property
    • Hide & Seek Game
  • 🥮Objects Continued
    • Medieval Game Example
  • 🥠Object Shorthands
    • Trivia Game example
  • 🔌Shameless Plug (again)
  • 🍥Destructuring & Concatenation
    • Dig a hole game example
  • 🍏Optional Chaining
    • Action Game Example
  • 🍐Nullish coalescing operator
    • Adventure Game Example
  • 🍊Refactoring If Conditions
    • Arcade Game Example
  • 🍋Implicit Conversion & Falcy Values
    • Strategy Game Example
  • 🍌Arrays of objects
    • Sports Game Example
  • 🍉Transforming Array of Objects
    • Fighters Game Example
  • 🍇Some important array methods
    • FPS Example
  • 🫐Reducing arrays of objects
    • Third Person Shooter Example
  • 🍓Try....catch
    • Platformer Example
  • 🍈Immutability
    • Puzzle game example
  • 🍒Creating new arrays or objects
    • Racing Game Example
  • 🔌Shameless Plug (again)
  • 🍑Immutable object operations
    • Basics
    • Rhythm Game Example
  • 🥭Classes
    • Basics
    • Platformer Game Example
  • 🍍Instance Method
    • Basics
    • Role-playing game example
  • 🥥Object Oriented Programming
    • Basics
    • Stealth Game Example
  • 🥝Getters & Setters
    • Basics
    • Survival Game Example
  • 🍅Static Methods & Chaining
    • Basics
    • Tactical Role Playing Game
  • 🍆Class Inheritance
    • Tower Defense Game Example
  • 🥑Use of Super
    • Vehicular Combat Game example
  • 🫒Public Class Field
    • MMORPG Example
  • 🥦Private class fields
    • Battle Royale Games Example
  • 🥬Aysnc/Await
    • Collectible Card Game example
    • Video Board game example
  • 🫑SetTimeout
    • Dice game example
  • 🥒Execution Order
    • Digital Collectible Card Game example
  • 🌶️The callback pattern
    • Life Simulation Game example
  • 🌽Promises
    • Music Game Example
  • 🥕Writing a function that returns a promise
    • Party game example
  • 🧄Introduction to JSON
    • Tile based game example
  • 🧅JSON.parse(string) / JSON.stringify(object)
    • Rhythm action game example
  • 🍠JSON Example for a game
    • Fetching JSON game data
  • 🥐Handling fetch errors
    • Fetch and HTTP Requests
  • 🥯ES Modules
    • Tower Defence Game Example
  • 🍞Default Export
    • Strategy Adventure Game Example
  • 🥖Fetch Wrapper
    • Strategy Role-playing game example
  • 🔌Final Shameless Plug
  • 🫓Lexical Scope and Arrow Functions
    • Vehicular Combat Game Example
  • 🥨Passing Functions
    • Vehicular simulation game example
  • 🥚Dynamic Imports
    • Video card game example
  • 🍠What is a closure
    • Video casino game example
  • 🎆Congratulations
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Arrays

In JavaScript, an array is a data structure that stores a collection of elements. Elements in an array can be of any data type, such as numbers, strings, objects, or even other arrays.

Arrays are created using the literal notation array, square brackets [] with elements separated by commas. For example:

let myArray = [1, 2, 3, 4, 5];

OR

let myArray = ["apple", "banana", "orange"];

Elements in an array can be accessed by their index, which is the position of the element in the array starting from 0. For example:

console.log(myArray[0]); // Output: 1
console.log(myArray[1]); // Output: 2

JavaScript arrays also have built-in methods that can be used to manipulate the elements, such as push() to add an element to the end of the array, pop() to remove the last element, shift() to remove the first element, unshift() to add an element to the beginning of the array, and others.

JavaScript also has several array prototype methods, such as filter() and map() which are used for iterating over the array and applying a function to each element and returning the new array.

In short, Array is a data structure that stores multiple elements of the same or different types in a single variable. It is a powerful tool that allows you to organize and manipulate data in a convenient and efficient way.

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Last updated 2 years ago

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