Basic JavaScript Array Methods

We offer free trials - learn JavaScript with us! https://trhou.se/3VGpjrU Arrays are used to store a collection of multiple items under a single variable name. This collection could be things like strings, numbers, or even a mix of different data types. Sometimes we need to update or manipulate our arrays by adding or removing items, or combining one array with another. In this guide, I’ll go over just some of the many basic JavaScript array methods. Methods we’ll discuss include: .push(), .pop(), .shift(), .unshift(), .indexOf(), .toString(), .join(), & .concat(). Start your free trial to learn more! https://trhou.se/3VGpjrU Blog article: https://trhou.se/3shk9VV Related Treehouse course: JavaScript Arrays https://trhou.se/3z3XJLz Chapters: 0:00 Intro 0:58 Getting started 1:29 .length 1:55 .push() 2:30 .pop() 3:34 .indexOf() 4:00 .shift() 4:48 .unshift() 5:25 .toString() 5:58 .join() 6:35 .concat() 8:04 Outro Resources: MDN - Arrays https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array MDN - .length https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length MDN - push() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push MDN - .pop() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/pop MDN - .shift() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/shift MDN - .unshift() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift MDN - .indexOf() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexof MDN - .toString() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/tostring MDN - .join() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join MDN - .concat() https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/concat #javascript #html #webdevelopment --- Learn how to build websites and apps, write code, or start a business at Treehouse. Learn from over 1,000 videos created by our expert teachers on web design, coding, business, and much more. Treehouse teaches the in-demand technology skills you need to land your dream job. Follow Us! Twitter: https://twitter.com/treehouse Instagram: https://instagram.com/teamtreehouse LinkedIn: https://www.linkedin.com/school/treehouse-island-inc-/ Facebook: https://www.facebook.com/teamtreehouse/