Operator Precedence Archives

Operator Precedence Table

This table ranks JavaScript operators by their precedence, with the higher-precedence operators (executed first) at the top.

Operator Precedence	Operator	Description	Associativity	Example
1	()	Grouping	L -> R	(expression)
2	.	Member of object	L -> R	Object_name.property
2	()	Function call	L -> R	Test()
2	new	To create objects	R -> L	New example()
2	[]	Member of object	L -> R	Object[“property”]
3	—	Postfix decrement	–	p–;
3	++	Postfix increment	–	p++
4	—	Prefix decrement	R -> L	–p;
4	++	Prefix increment	R -> L	++p;
4	typeof	To get the variable type	R -> L	typeof a;
4	!	Logical not	R -> L	!a;
4	~	Bitwise not	R -> L	~p
4	–	Unary minus	R -> L	-p
4	+	Unary plus	R -> L	+p
4	delete	To delete object property	R -> L	Delete arr[0]
4	void	Evaluates void	R -> L	Void(1)
5	**	Exponentiation operator	R -> L	p ** q
6	*	Multiplication	L -> R	p * q
6	/	Division	L -> R	p / q
6	%	modulo	L -> R	p % q
7	+	Addition or plus operator	L -> R	p + q
7	–	Subtraction operator	L -> R	p – q
8	<<	Left shift	L -> R	p << 2
8	>>	Signed right shift	L -> R	p >> 2
8	>>>	Unsigned right shift	L -> R	p >>> 2
9	in	Property in object	L -> R	x in y
9	instanceof	Instance of object	L -> R	p instanceof Object
9	<	Less than	L -> R	p < q
9	<=	Less than or equal to	L -> R	p <= q
9	>	Greater than	L -> R	p > q
9	>=	Greater than or equal to	L -> R	p >= q
10	==	Equality	L -> R	p == q
10	!=	Inequality	L -> R	p != q
10	===	Strict equality	L -> R	p === q
10	!==	Strict inequality	L -> R	p !== q
11	&	Bitwise AND	L -> R	p & q
12	^	Bitwise XOR	L -> R	p ^ q
13	\|	Bitwise OR	L -> R	p \| q
14	&&	Logical AND	L -> R	p && q
15	\|\|	Logical OR	L -> R	p \|\| q
16	??	Nullish Coalescing	R -> L	p ?? q
17	=	Assignment	R -> L	p = q
17	:	Colon assignment	R -> L	p : q
17	+=	Addition assignment	R -> L	p += q
17	-=	Subtraction assignment	R -> L	p -= q
17	*=	Multiplication assignment	R -> L	p *= q
17	/=	Division assignment	R -> L	p /= q
17	%=	Modulo assignment	R -> L	p %= q
17	**=	Exponentiation assignment	R -> L	p **= q
17	<<=	Left shift assignement	R -> L	p <<= q
17	>>=	Right shift assignment	R -> L	p >>= q
17	>>>=	Unsigned right shift assignment	R -> L	p >>>= q
17	&=	Bitwise AND assignment	R -> L	p &= q
17	^=	Bitwise XOR assignment	R -> L	p ^= q
17	\|=	Bitwise OR assignment	R -> L	p \|= q
17	&&=	Logical AND assignment	R -> L	p &&= q
17	\|\|=	Logical OR assignement	R -> L	p \|\|= q
17	=>	Arrow operator	–	(a, b )=> { // function code}
17	…	Spread operator	–	[… arr]
18	yield	Pause / Resume	R -> L	yield p;
19	,	Comma operator	L -> R	(5, 10, 15)

Operator Precedence

JavaScript Operator Precedence

Operator Precedence Table