JavaScript || Circular Array – How To Index Into Array As If It Is Circular Using Vanilla JavaScript

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The following is a module with functions which demonstrates how to index into an array as if it is circular using Vanilla JavaScript.

This function adjusts a range as circular and ‘wraps around’ the value to become in bounds.

1. Circular Array

The example below demonstrates the use of ‘Utils.circularWrap‘ to index into an array as if it is circular.

2. Utils Namespace

The following is the Utils.js Namespace. Include this in your project to start using!

The highlighted lines are sections of interest to look out for.

The code is heavily commented, so no further insight is necessary. If you have any questions, feel free to leave a comment below.

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