isFalsy

The isFalsy function checks if the provided value is considered falsy in JavaScript.

Syntax

isFalsy(value: any): boolean;

Parameters

Parameter	Type	Description
value	any	Value to be checked

Returns

Type	Description
boolean	True if it is a falsy value

Examples

isFalsy(0); // => true
isFalsy(""); // => true
isFalsy(null); // => true
isFalsy(undefined); // => true
isFalsy(false); // => true
isFalsy(NaN); // => true
isFalsy(1); // => false

Notes

• Falsy values include: false, 0, "", null, undefined, NaN.

References

• https://developer.mozilla.org/en-US/docs/Glossary/Falsy