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Summary
The global Infinity
property is a numeric value representing infinity.
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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 {{jsxref("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).
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition. | Standard | Initial definition. Implemented in JavaScript 1.3 |
{{SpecName('ES5.1', '#sec-15.1.1.2', 'Infinity')}} | {{Spec2('ES5.1')}} | |
{{SpecName('ES6', '#sec-value-properties-of-the-global-object-infinity', 'Infinity')}} | {{Spec2('ES6')}} |
Browser compatibility
{{ CompatibilityTable() }}
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} | {{ CompatVersionUnknown() }} |
See also
- {{jsxref("Number.NEGATIVE_INFINITY")}}
- {{jsxref("Number.POSITIVE_INFINITY")}}