# JSStringCreateWithCharacters(_:_:) Creates a JavaScript string from a buffer of Unicode characters. ``` func JSStringCreateWithCharacters(_ chars: UnsafePointer!, _ numChars: Int) -> JSStringRef! ``` ## Parameters `chars` The buffer of Unicode characters to copy into the new [`JSStringRef`](/documentation/JavaScriptCore/JSStringRef). `numChars` The number of characters to copy from the buffer that `chars` points to. ## Return Value A [`JSStringRef`](/documentation/JavaScriptCore/JSStringRef) that contains `chars`. Ownership follows [The Create Rule](https://developer.apple.com/library/archive/documentation/CoreFoundation/Conceptual/CFMemoryMgmt/Concepts/Ownership.html#//apple_ref/doc/uid/20001148-103029). ## Discussion --- 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)