UInt24.Addition(UInt32, UInt24) Operator

public static uint operator +(
	uint value1,
	UInt24 value2
)

Public Shared Operator + ( 
	value1 As UInteger,
	value2 As UInt24
) As UInteger

public:
static unsigned int operator +(
	unsigned int value1, 
	UInt24 value2
)

static let inline (+)
        value1 : uint32 * 
        value2 : UInt24  : uint32

JavaScript does not support overloaded operators.