Book Image

Learning JavaScript Data Structures and Algorithms

By : Loiane Avancini
Book Image

Learning JavaScript Data Structures and Algorithms

By: Loiane Avancini

Overview of this book

Table of Contents (18 chapters)

References for JavaScript array methods


Arrays in JavaScript are modified objects, meaning that every array that we create has a few methods available to be used. JavaScript arrays are very interesting because they are very powerful and have more capabilities available than the primitive arrays of other languages. This means that we do not need to write basic capabilities ourselves, such as adding and removing elements in/from the middle of the data structure.

The following is a list of the core available methods in an array object. We have covered some methods already.

Method

Description

concat

Joins multiple arrays and returns a copy of the joined arrays

every

Calls a function for every element of the array until false is returned

filter

Creates an array with each element that evaluates to true in the function provided

forEach

Executes a specific function on each element of the array

join

Joins all the array elements into a string

indexOf

Searches the array for...