Operators and Expressions in JavaScript

Operator Description Associativity

() Parentheses Left to right

++      – – Auto increment, decrement Right to left

! Logical NOT Right to left

*     /     % Multiply, divide, modulus Left to right

+     – Add, subtract Left to right

+ Concatenation Left to right

<     <= Less than, less than or equal to Left to right

>     >= Greater than, greater than or equal to Left to right

= =         != Equal to, not equal to Left to right

= = =     != = Identical to (same type), not identical to Left to right

& Bitwise AND Left to right

| Bitwise OR

^ Bitwise XOR

~ Bitwise NOT

<< Bitwise left shift

>> Bitwise right shift

>>> Bitwise zero-filled, right shift

&& Logical AND Left to right

|| Logical OR Left to right

? : Ternary, conditional Right to left

=   +=   – =   *=   /=   %= <<=    >>= Assignment Right to left


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