JavaScript Number 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.
Syntax
Number.NaN
Browser Support
Number.NaN is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera |