Math

`Math.hypot`

Returns the square root of the sum of squares of its arguments

Syntax

JavaScript

Math.hypot(...values)

Parameters

Parameter	Type	Description
values	number[]	Numbers to compute the hypotenuse for

Return Value

The square root of the sum of squares of the arguments

Examples

Basic Usage

console.log(Math.hypot(3, 4)); // 5
console.log(Math.hypot(5, 12)); // 13

Practical Example

function distance3D(x: number, y: number, z: number) {
  return Math.hypot(x, y, z);
}
console.log(distance3D(1, 2, 2)); // 3

Advanced Usage

const magnitude = Math.hypot(3, 4, 0);
console.log(magnitude); // 5

Understanding Math.hypot

The Math.hypot method in JavaScript returns the square root of the sum of squares of its arguments. It belongs to the Math object and is one of the most widely used methods for working with math values in modern JavaScript and TypeScript applications.

The method signature is Math.hypot(...values). It accepts 1 parameter: values. When called, it returns the square root of the sum of squares of the arguments. Understanding when and how to use hypot() helps you write more expressive, readable code.

Common use cases for Math.hypot include data transformation, input validation, API response processing, and building reusable utility functions. It works well alongside related methods like math-sqrt, math-pow, enabling you to chain operations together for complex data manipulation pipelines.

Browser support for Math.hypot is excellent across all modern browsers including Chrome, Firefox, Safari, and Edge. It is also fully supported in Node.js and Deno. For older environments, transpilation with Babel or a polyfill may be needed.