custom operators

Custom operators are sweet.

Operator Precedence

Unary Operators:

Operator	Precedence
new	16
++	15
--	15
!	14
~	14
+	14
-	14
typeof	14
void	14
delete	14
yield	2

Binary Operators:

Operator	Precedence	Associativity
*	13	left
/	13	left
%	13	left
+	12	left
-	12	left
>>	11	left
<<	11	left
>>>	11	left
<	10	left
<=	10	left
>	10	left
>=	10	left
in	10	left
instanceof	10	left
==	9	left
!=	9	left
===	9	left
!==	9	left
&	8	left
^	7	left
|	6	left
&&	5	left
||	4	left