EnergyLessThan Operator

public static bool operator <(
	Energy value1,
	Energy value2
)

Public Shared Operator < ( 
	value1 As Energy,
	value2 As Energy
) As Boolean

public:
static bool operator <(
	Energy value1, 
	Energy value2
)

static let inline (<)
        value1 : Energy * 
        value2 : Energy  : bool

JavaScript does not support overloaded operators.