Infinity

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The Infinity global property is a numeric value representing infinity.

Try it

const maxNumber = 10 ** 1000; // Max positive number

if (maxNumber === Infinity) {
  console.log("Let's call it Infinity!");
  // Expected output: "Let's call it Infinity!"
}

console.log(1 / maxNumber);
// Expected output: 0

Value

The same number value as Number.POSITIVE_INFINITY.

Property attributes of `Infinity`
Writable	no
Enumerable	no
Configurable	no

Description

Infinity is a property of the global object. In other words, it is a variable in global scope.

The value Infinity (positive infinity) is greater than any other number.

This value behaves slightly differently than mathematical infinity; see Number.POSITIVE_INFINITY for details.

Examples

Using Infinity

console.log(Infinity); /* Infinity */
console.log(Infinity + 1); /* Infinity */
console.log(10 ** 1000); /* Infinity */
console.log(Math.log(0)); /* -Infinity */
console.log(1 / Infinity); /* 0 */
console.log(1 / 0); /* Infinity */

Specifications

Specification
ECMAScript® 2026 Language Specification # sec-value-properties-of-the-global-object-infinity

Browser compatibility

	Desktop					Mobile						Server
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	Deno	Node.js
`Infinity`	1	12	1	4	1	18	4	10.1	1	1.0	4.4	1.0	0.10.0