Microsoft® JScript
Compound Assignment Operators 		Language Reference 


Addition (+=)
Subtraction (-=)
Multiplication (*=)
Division (/=)
Modulo Arithmetic (%=)
Left Shift (<<=)
Right Shift (>>=)
Unsigned Right Shift (>>>=)
Bitwise And (&=)
Bitwise Or (|=)
Bitwise Xor (^=)
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