퇴근 후 JS - Operators(연산자)

https://www.w3schools.com/js/js_operators.asp'

JavaScript Operators

이번엔 연산자 이런게 있다라고 보는 시간입니다.

필요할때 찾고 봅시다.

나중에 자세하게 다룬답니다.

 

OperatorDescription

+	Addition
-	Subtraction
*	Multiplication
**	Exponentiation (ES2016)
/	Division
%	Modulus (Division Remainder)
++	Increment
--	Decrement

JavaScript Comparison Operators (비교 연산자)

OperatorDescription

==	equal to
===	equal value and equal type
!=	not equal
!==	not equal value or not equal type
>	greater than
<	less than
>=	greater than or equal to
<=	less than or equal to
?	ternary operator

JavaScript Logical Operators

OperatorDescription

&&	logical and
||	logical or
!	logical not

JavaScript Type Operators

OperatorDescription

typeof	Returns the type of a variable
instanceof	Returns true if an object is an instance of an object type

JavaScript Bitwise Operators

Bit operators work on 32 bits numbers.

Any numeric operand in the operation is converted into a 32 bit number. The result is converted back to a JavaScript number.

OperatorDescriptionExampleSame asResultDecimal

&	AND	5 & 1	0101 & 0001	0001	1
|	OR	5 | 1	0101 | 0001	0101	5
~	NOT	~ 5	~0101	1010	10
^	XOR	5 ^ 1	0101 ^ 0001	0100	4
<<	left shift	5 << 1	0101 << 1	1010	10
>>	right shift	5 >> 1	0101 >> 1	0010	2
>>>	unsigned right shift	5 >>> 1	0101 >>> 1	0010	2