Operator Precedence from highest to lowest

Operator Precedence from highest to lowest : Operator Precedence : Operators JAVASCRIPT TUTORIALS

Read From	Operator	Operator Name
Left to Right	.	Object property access
Left to Right	[]	Array index
Left to Right	()	Function call
Right to Left	++	Pre/Post Increment
Right to Left	--	Pre/Post Decrement
Right to Left	-	Negation
Right to Left	~	Bitwise NOT
Right to Left	!	Logical NOT
Right to Left	delete	Undefine a property
Right to Left	new	Create a new object
Right to Left	typeof	Return data type
Right to Left	void	Return undefined value
Left to Right	*, /, %	Multiplication, division, modulus
Left to Right	+, -	Addition, Subtraction
Left to Right	+	String concatenation
Left to Right		Left shift
Left to Right	>>	Right shift with sign
Left to Right	>>>	Right shift zero fill
Left to Right		Less than, less than or equal
Left to Right	>, >=	Greater than, greater than or equal
Left to Right	==	Equality
Left to Right	!=	Inequality
Left to Right	===	Identity
Left to Right	!==	Non-identity
Left to Right	&	Bitwise AND
Left to Right	^	Bitwise XOR
Left to Right	\|	Bitwise OR
Left to Right	&&	Logical AND
Left to Right	\|\|	Logical OR
Right to Left	?:	Conditional
Right to Left	=	Assignment
Right to Left	*=, /=	Assignment plus operation %=, +=, -=, >=, >>>=, &=, ^=, \|=
Left to Right	.	Multiple evaluation