Function isEmpty

Returns true if passed argument seems to be empty. Primitives (excluding string) are always empty (even truthy). Only empty strings are considered empty. Objects are considered empty when doesn't have any enumerable & own property. Arrays and array-like objects are considered empty when length value is 0. Map, Set and -like objects are considered empty when size value is 0.

Example

isEmpty({}) // true

Example

isEmpty(100) // true

Example

isEmpty([]) // true

Example

isEmpty([1]) // false

Example

isEmpty({ length: 5 }) // false

Example

isEmpty({ length: 0 }) // true

Example

isEmpty({ size: 0 }) // true

Returns

• is value considered empty