{
  "id": 13035941,
  "title": "Array in JavaScript",
  "url": "https://urgent.news/2026/10/09/array-in-javascript",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-10-09T05:19:22.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/sajin_joe/array-in-javascript-4nol"
  },
  "original_language": "en",
  "account": "In the realm of JavaScript programming, an array represents a versatile container for holding multiple values within a single variable. To create an array, one employs the `let` keyword followed by the array name and encloses the values within square brackets, separating each value with a comma.\n\nAccessing individual elements within an array follows a straightforward principle: indexing begins at 0, escalating by 1 for each subsequent element. The syntax to retrieve a specific element is straightforward – utilize the array name, followed by square brackets enclosing the desired index.\n\nEvery array possesses inherent properties and methods that streamline manipulation. The `length` property yields the total number of elements housed within the array. The `push()` method facilitates the addition of a new element to the array's end. Conversely, `pop()` eradicates the final element. The `unshift()` method empowers the insertion of a new element at the array's start, whereas `shift()` eliminates the leading element.\n\nTo modify an array's contents, direct assignment is executed by referencing the element using its index. Looping through an array can be efficiently achieved using a `for` loop, iterating from 0 up to the array's length minus 1.\n\nJavaScript also furnishes higher-order functions such as `forEach()` and `map()`. The `forEach()` method allows the execution of a function for each element without manual index management. Conversely, `map()` generates a new array by applying a function to each element of the original array, yielding transformed values. The `filter()` method enables the selection of elements that satisfy a specified condition, thereby producing a new array containing only those elements.",
  "summary": "In JavaScript, an array is a special variable used to store multiple values in a single variable. 1. How to create an array let fruits = [ \" Apple \" , \" Mango \" , \" Orange \" , \" Banana \" ]; console . log ( fruits ); Output: [ \"Apple\" , \"Mango\" , \"Orange\" , \"Banana\" ] 2. Access array elements Array indexing starts from 0, not 1. l let fruits = [ \" Apple \" , \" Mango \" , \" Orange \" , \" Banana \" ];…",
  "key_points": [
    "An array holds multiple values in a single JavaScript variable",
    "Elements accessed using 0-based indexing within square brackets",
    "Array methods like push(), pop(), unshift(), and shift() modify contents"
  ],
  "editors_take": "Understanding arrays in JavaScript enables developers to efficiently store, manipulate, and transform data, streamlining coding tasks with built-in properties and methods that simplify element management and data processing.",
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}