Start of main content## JavaScript Math Snippets

The JavaScript snippet collection contains a wide variety of ES6 helper functions. It includes helpers for dealing with primitives, arrays and objects, as well as algorithms, DOM manipulation functions and Node.js utilities.

### Format duration

JavaScript, Date

Returns the human-readable format of the given number of milliseconds.

### Tip: Min and max value in a JavaScript array

JavaScript, Array

When working with numeric arrays in JavaScript, you might find yourself in need of finding the minimum or maximum value. Here's a quick and easy way to do it.

### Luhn check

JavaScript, Math

Implements the Luhn Algorithm, used to validate a variety of identification numbers.

### Number of seconds to ISO format

JavaScript, Date

Returns the ISO format of the given number of seconds.

### Primes up to given number

JavaScript, Math

Generates primes up to a given number, using the Sieve of Eratosthenes.

### How can I remove trailing zeros from a number in JavaScript?

JavaScript, Math

When formatting decimal values in JavaScript, trailing zeros can be undesired. Here's how to deal with them.

### Arithmetic progression

JavaScript, Math

Creates an array of numbers in the arithmetic progression, starting with the given positive integer and up to the specified limit.

### Digitize number

JavaScript, Math

Converts a number to an array of digits, removing its sign if necessary.

### Euclidean distance

JavaScript, Math

Calculates the distance between two points in any number of dimensions.

### Maximum subarray

JavaScript, Algorithm

Finds a contiguous subarray with the largest sum within an array of numbers.

### Hex to RGB

JavaScript, String

Converts a color code to an

`rgb()`

or`rgba()`

string if alpha value is provided.### Powerset

JavaScript, Math

Returns the powerset of a given array of numbers.

### Sum of powers in range

JavaScript, Math

Calculates the sum of the powers of all the numbers from

`start`

to`end`

(both inclusive).### Mapped array average

JavaScript, Math

Calculates the average of an array, after mapping each element to a value using the provided function.

### Cartesian product

JavaScript, Math

Calculates the cartesian product of two arrays.