math.js also provides some methods that do not exist in native Math objects. For example, finding the sum of arrays, or find the average value of a set of data. The original intention of math.js is to ...

The Math object in JavaScript is a built-in object that provides mathematical constants and functions, such as rounding, trigonometric calculations, exponentiation, and random number generation.

Built-in JavaScript objects and functions are ones you'll use all the time. Here's how to use Object, JSON, String, Math, Date, and console in your JavaScript programs.