# compare(_:) ``` func compare(_ other: JSValue) -> JSRelationCondition ``` ## Return Value A value of JSRelationCondition, a kJSRelationConditionUndefined is returned if an exception is thrown. ## Discussion \abstract Compare two JSValues. \discussion The result is computed by comparing the results of JavaScript’s ==, <, and > operators. If either self or other is (or would coerce to) NaN in JavaScript, then the result is kJSRelationConditionUndefined. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)