16 lines
389 B
TypeScript
16 lines
389 B
TypeScript
//#region src/compat/predicate/isNaN.d.ts
|
|
/**
|
|
* Checks if the value is NaN.
|
|
*
|
|
* @param {any} value - The value to check.
|
|
* @returns {boolean} `true` if the value is NaN, `false` otherwise.
|
|
*
|
|
* @example
|
|
* isNaN(NaN); // true
|
|
* isNaN(0); // false
|
|
* isNaN('NaN'); // false
|
|
* isNaN(undefined); // false
|
|
*/
|
|
declare function isNaN(value?: any): boolean;
|
|
//#endregion
|
|
export { isNaN }; |