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The Number.NaN
property represents Not-A-Number. Equivalent of NaN
.
You do not have to create a Number
object to access this static property (use Number.NaN
).
Property attributes of Number.NaN |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | no |
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.1. |
ECMAScript 5.1 (ECMA-262) The definition of 'Number.NaN' in that specification. |
Standard | |
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Number.NaN' in that specification. |
Standard | |
ECMAScript 2017 Draft (ECMA-262) The definition of 'Number.NaN' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |