JavaScript NaN Property
Definition and Usage
The NaN property represents "Not-a-Number" value. This property indicates that a value is not a legal number.
The NaN property is the same as the Number.Nan property.
Tip: Use the isNaN() global function to check if a value is a NaN value.
Syntax
Number.NaNBrowser Support
| Property | |||||
|---|---|---|---|---|---|
| NaN | Yes | Yes | Yes | Yes | Yes |
Technical Details
| Return Value: | NaN |
|---|---|
| JavaScript Version: | ECMAScript 1 |
