The global property Infinity
is a numeric value representing infinity.
Property attributes of Infinity |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
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Description
Infinity
is a property of the global object. In other words, 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 slightly differently than mathematical infinity; see Number.POSITIVE_INFINITY
for details.
As defined by the ECMAScript 5 specification, Infinity
is read-only (implemented in JavaScript 1.8.5 / Firefox 4).
Examples
Using Infinity
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 */ console.log(1 / 0 ); /* Infinity */
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of 'Infinity' in that specification. |
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.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Infinity | Chrome Full support 1 | Edge Full support 12 | Firefox Full support 1 | IE Full support 4 | Opera Full support 4 | Safari Full support 1 | WebView Android Full support 1 | Chrome Android Full support 18 | Firefox Android Full support 4 | Opera Android Full support 10.1 | Safari iOS Full support 1 | Samsung Internet Android Full support 1.0 | nodejs Full support 0.1.100 |
Legend
- Full support
- Full support