O'Reilly logo

Object-Oriented JavaScript - Third Edition by Stoyan Stefanov, Ved Antani

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

ES6 array methods

Arrays get a bunch of useful methods. Libraries such as lodash and underscore provided features missing in the language so far. With the new helper methods, array creation and manipulation is much more functional and easy to code.

Array.from

Converting array-like values to arrays has always been a bit of a challenge in JavaScript. People have employed several hacks and written libraries to just let you handle arrays effectively.

ES6 introduces a very helpful method to convert array-like objects and iterable values into arrays. Array-like values are objects that have a length property and indexed elements. Every function has an implicit arguments variable that contains a list of all arguments passed to the function. This variable ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required