• Reads 8 bytes from array starting at offset as big-endian signed 64-bit integer and returns it.

    IMPORTANT: due to JavaScript limitation, supports exact numbers in range -9007199254740991 to 9007199254740991. If the number stored in the byte array is outside this range, the result is not exact.

    Parameters

    • array: Uint8Array
    • offset: number = 0

    Returns number