[Home](./index.md) > [@firebase/firestore](./firestore.md) > [lite](./firestore_lite.md) > [FieldValue](./firestore_lite.fieldvalue.md) > [isEqual](./firestore_lite.fieldvalue.isequal.md) ## FieldValue.isEqual() method Compares `FieldValue`s for equality. Signature: ```typescript abstract isEqual(other: FieldValue): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | other | [FieldValue](./firestore_lite.fieldvalue.md) | | Returns: boolean