Infinity

The global property Infinity is a numeric value representing 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 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 Language Specification (ECMAScript) # sec-value-properties-of-the-global-object-infinity

Browser compatibility

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet
`Infinity`	1	12	1	4	4	1	1	18	4	10.1	1	1.0