# Pierwszeństwo operatorów

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### Podsumowanie

Operator precedence determines the order in which operators are evaluated. Operators with higher precedence are evaluated first.

```3 + 4 * 5 // zwraca 23
```

The multiplication operator ("`*`") has higher precedence than the addition operator ("`+`") and thus will be evaluated first.

### Associativity

Associativity determines the order in which operators of the same precedence are processed. For example, consider an expression:

```a OP b OP c
```

Left-associativity (left-to-right) means that it is processed as `(a OP b) OP c`, while right-associativity (right-to-left) means it is interpreted as `a OP (b OP c)`. Assignment operators are right-associative, so you can write:

```a = b = 5;
```

with the expected result that `a` and `b` get the value 5. This is because the assignment operator returns the value that it assigned. First, `b` is set to 5. Then the `a` is set to the value of `b`.

### Tabela

The following table is ordered from highest (1) to lowest (17) precedence.

</tr>
Precedence Operator type Associativity Individual operators
1 pamięci left-to-right .
[]
new right-to-left new
2 function call left-to-right ()
3 increment n/a ++
decrement n/a --
4 logical-not right-to-left !
bitwise not right-to-left ~
unary + right-to-left +
unary negation right-to-left -
typeof right-to-left typeof
void right-to-left void
delete right-to-left delete
5 multiplication left-to-right *
division left-to-right /
modulus left-to-right %
6 addition left-to-right +
subtraction left-to-right -
7 bitwise shift left-to-right <<
>>
>>>
8 relational left-to-right <
<=
>
>=
in left-to-right in
instanceof left-to-right instanceof
9 equality left-to-right ==
!=
===
!==
10 bitwise-and left-to-right &
11 bitwise-xor left-to-right ^
12 bitwise-or left-to-right |
13 logiczny-and left-to-right &&
14 logiczny-or left-to-right ||
15 warunkowy right-to-left ?:
16 przypisania right-to-left =
+=
-=
*=
/=
%=
<<=
>>=
>>>=
&=
^=
|=
17 przecinkowy left-to-right ,

## Document Tags and Contributors

Contributors to this page: Ptak82, Internauta1024A, Mgjbot
Ostatnia aktualizacja: Mgjbot,