# init(newBigIntFrom:in:) ``` init?(newBigIntFrom int64: Int64, in context: JSContext) ``` ## Parameters `int64` The signed 64-bit integer of the BigInt JavaScript value being created. `context` The JSContext to which the resulting JSValue belongs. ## Return Value The JSValue representing a JavaScript value with type BigInt. ## Discussion \abstract Create a new BigInt value from a int64_t. --- 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)