The global Infinity
property is a numeric value representing infinity.
Property attributes of Infinity |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Syntax
Infinity
Description
Infinity
is a property of the global object, i.e. it is a variable in global scope.
The initial value of Infinity
is Number.POSITIVE_INFINITY
. The value Infinity
(positive infinity) is greater than any other number. This value behaves mathematically like infinity; for example, any positive number multiplied by Infinity
is Infinity
, and anything divided by Infinity
is 0.
Per the ECMAScript 5 specification, Infinity
is read only (implemented in JavaScript 1.8.5 / Firefox 4).
Examples
console.log(Infinity ); /* Infinity */ console.log(Infinity + 1 ); /* Infinity */ console.log(Math.pow(10, 1000)); /* Infinity */ console.log(Math.log(0) ); /* -Infinity */ console.log(1 / Infinity ); /* 0 */
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.3 |
ECMAScript 5.1 (ECMA-262) The definition of 'Infinity' in that specification. |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Infinity' in that specification. |
Standard | |
ECMAScript Latest Draft (ECMA-262) The definition of 'Infinity' in that specification. |
Living Standard |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
See also
Document Tags and Contributors
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Contributors to this page:
schalkneethling,
fscholz,
jameshkramer,
nmve,
Wryn,
teoli,
AlexChao,
oddalot,
Sheppy,
trevorh,
evilpie,
Mgjbot,
Yuichirou,
Sevenspade,
Callek,
Maian,
Marcoos,
Dria
Last updated by:
schalkneethling,