Infinity
BaselineWidely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
TheInfinity
global property is a numeric value representing infinity.
Try it
const maxNumber = 10 ** 1000; // Max positive numberif (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 asNumber.POSITIVE_INFINITY
.
Property attributes ofInfinity | |
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Description
Infinity
is a property of theglobal object. In other words, it is a variable in global scope.
The valueInfinity
(positive infinity) is greater than any other number.
This value behaves slightly differently than mathematical infinity; seeNumber.POSITIVE_INFINITY
for details.
Examples
Using Infinity
js
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 |