A Beginner’s Guide to Arrays in JavaScript

A beginner’s guide to Arrays in JavaScript. JavaScript arrays are used to store multiple values in a single variable. An array is a special variable, which can hold more than one value at a time. Methods of Array: Reach the elements of Array, Method of .length(), Method of Array.isArray(), Method of .indexOf(), Method of .push(), Method of .pop(), Method of .unshift(), Method of .shift(), Method of .slice(), Method of .splice(), Method of .reverse(), Method of .concat(), Method of .sort(), Method of .find()

JavaScript arrays are used to store multiple values in a single variable. An array is a special variable, which can hold more than one value at a time.

• Creating an Array
  • Using an array literal is the easiest way to create a JavaScript Array
  • Using the JavaScript Keyword new
• Methods of Array
  • Reach the elements of Array
  • Method of .length()
  • Method of Array.isArray()
  • Method of .indexOf()
  • Method of .push()
  • Method of .pop()
  • Method of .unshift()
  • Method of .shift()
  • Method of .slice()
  • Method of .splice()
  • Method of .reverse()
  • Method of .concat()
  • Method of .sort()
  • Method of .find()

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6 most commonly used methods and how they’re implemented. Arrays are a structure common to all programming languages so knowing what they are and having a firm grasp on what you’re able to accomplish with Arrays will take you a long way in your journey as a software developer.

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In this article, I’m going to be covering important JavaScript array methods that are going to make your life as a developer so much easier. As an example, I am going to use a student array of student objects for all of these different array methods.