isBoolean
The isBoolean function checks if the provided value is of boolean type.
Syntax
typescript
isBoolean(value: any): value is boolean;Parameters
| Parameter | Type | Description |
|---|---|---|
value | any | Value to be checked |
Returns
| Type | Description |
|---|---|
boolean | True if it is a boolean |
Examples
typescript
isBoolean(true); // => true
isBoolean(false); // => true
isBoolean(0); // => falseNotes
- Useful for type validation before logical operations.