Appendix D. Operator Precedence

Table D-1 is reproduced from the Mozilla Developer Network for reference. ES7 operators have been omitted.

Table D-1. Operator precedence from highest (19) to lowest (0)
Precedence Operator type Associativity Individual operators

19

Grouping

n/a

()

18

Member access

left to right

.

Computed member access

left to right

[]

new (with argument list)

n/a

new()

17

Function call

left to right

()

new (without argument list)

right to left

new

16

Postfix increment

n/a

++

Postfix decrement

n/a

--

15

Logical NOT

right to left

!

Bitwise NOT

right to left

~

Unary plus

right to left

+

Unary negation

right to left

-

Prefix increment

right to left

++

Prefix decrement

right to left

--

typeof

right to left

typeof

void

right to left

void

delete

right to left

delete

14

Multiplication

left to right

*

Division

left to right

/

Remainder

left to right

%

13

Addition

left to right

+

Subtraction

left to right

-

12

Bitwise left shift

left to right

<<

Bitwise right shift

left to right

>>

Bitwise unsigned right shift

left to right

>>>

11

Less than

left to right

<

Less than or equal

left to right

<=

Greater than

left to right

>

Greater than or equal

left to right

>=

in

left to right

in

instanceof

left to right

instanceof

10

Equality

left to right

==

Inequality

left to right

!=

Strict equality

left to right

===

Strict inequality

left to right

!==

9

Bitwise AND

left to right

&

8

Bitwise XOR

left to right

^

7

Bitwise OR

left to right

|

6

Logical AND

left to right

&&

5

Logical OR

left to right

||

4

Conditional

right to left

?:

3

Assignment

right to left

=

+=

-=

*=

/=

%=

<<=

>>=

>>>=

&=

^=

|=

2

yield

right to left

yield

1

Spread

n/a

0

Comma/sequence

left to right

,

..................Content has been hidden....................

You can't read the all page of ebook, please click here login for view all page.
Reset
3.141.202.187