Creates a new enhanced JavaScript function.

CHAKRA_API    JsCreateEnhancedFunction(        _In_ JsEnhancedNativeFunction nativeFunction,        _In_opt_ JsValueRef metadata,        _In_opt_ void *callbackState,        _Out_ JsValueRef *function);

• nativeFunction: The method to call when the function is invoked.
• metadata: If this is notJS_INVALID_REFERENCE, it is converted to a string and used as the name of the function.
• callbackState: User provided state that will be passed back to the callback.
• function: The new function object.

The codeJsNoError if the operation succeeded, a failure code otherwise.

This API is experimental and may have breaking changes later.

Requires an active script context.