Math

`Math.imul`

Returns the result of the C-like 32-bit multiplication of the two parameters

Syntax

JavaScript

Math.imul(a, b)

Parameters

Parameter	Type	Description
a	number	First number
b	number	Second number

Return Value

The result of the 32-bit integer multiplication

Examples

Basic Usage

console.log(Math.imul(2, 4)); // 8
console.log(Math.imul(-1, 8)); // -8

Practical Example

console.log(Math.imul(0xffffffff, 5)); // -5

Advanced Usage

console.log(Math.imul(0xfffffffe, 5)); // -10

Understanding Math.imul

The Math.imul method in JavaScript returns the result of the C-like 32-bit multiplication of the two parameters. 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.imul(a, b). It accepts 2 parameters: a, b. When called, it returns the result of the 32-bit integer multiplication. Understanding when and how to use imul() helps you write more expressive, readable code.

Common use cases for Math.imul include data transformation, input validation, API response processing, and building reusable utility functions. It works well alongside related methods like math-clz32, math-fround, enabling you to chain operations together for complex data manipulation pipelines.

Browser support for Math.imul 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.