JavaScript NaN
Description
In JavaScript, NaN
is short for "Not-a-Number".
In JavaScript, NaN
is a number that is not a legal number.
The Global NaN
property is the same as the
Number.NaN
property.
See Also:
Syntax
NaN
Return Value
NaN |
Browser Support
NaN
is an ECMAScript1 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
Chrome | Edge | Firefox | Safari | Opera | IE |
Yes | Yes | Yes | Yes | Yes | Yes |