UInt24Subtraction(UInt24, UInt32) Operator

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

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

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

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

JavaScript does not support overloaded operators.