isReferenceError
The isReferenceError function checks if a value is an instance of ReferenceError.
Syntax
typescript
isReferenceError(value: any): value is ReferenceError;Parameters
| Name | Type | Description |
|---|---|---|
value | any | The value to check |
Returns
| Type | Description |
|---|---|
boolean | true if the value is an instance of ReferenceError, false otherwise |
Examples
typescript
isReferenceError(new ReferenceError("Undefined variable"));
// => true
isReferenceError(new Error());
// => false
isReferenceError({});
// => falseNotes
- Useful for identifying reference errors in JavaScript operations.