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Learning JavaScript, 3rd Edition
book

Learning JavaScript, 3rd Edition

by Ethan Brown
February 2016
Beginner
348 pages
8h 40m
English
O'Reilly Media, Inc.
Content preview from Learning JavaScript, 3rd Edition

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

!=

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