Creates a Javascript ArrayBuffer object to access external memory.

STDAPI_(JsErrorCode)
    JsCreateExternalArrayBuffer(
    _Pre_maybenull_ _Pre_writable_byte_size_(byteLength) void *data,
    _In_ unsigned int byteLength,
    _In_opt_ JsFinalizeCallback finalizeCallback,
    _In_opt_ void *callbackState,
    _Out_ JsValueRef *result);

• data: A pointer to the external memory.
• byteLength: The number of bytes in the external memory.
• finalizeCallback: A callback for when the object is finalized. May be null.
• callbackState: User provided state that will be passed back to finalizeCallback.
• result: The new ArrayBuffer object.

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

Requires an active script context.