# 【運算子】

以下是運算子，在敘述計算公式時需要注意優先順序，避免不必要的計算錯誤。

| Precedence | Description                         | Operator                                      |
| ---------- | ----------------------------------- | --------------------------------------------- |
| 1          | Postfix increment and decrement     | ++, --                                        |
|            | New expression                      | new \<typename>                               |
|            | Array subscripting                  | \<array>\[\<index>]                           |
|            | Member access                       | \<object>.\<member>                           |
|            | Function-like call                  | \<func>(\<args...>)                           |
|            | Parentheses                         | (\<statement>)                                |
| 2          | Unary minus                         | -                                             |
|            | Unary operations                    | delete                                        |
|            | Logical NOT                         | !                                             |
|            | Bitwise NOT                         | \~                                            |
| 3          | Exponentiation                      | \*\*                                          |
| 4          | Multiplication, division and modulo | \*, /, %                                      |
| 5          | Addition and subtraction            | +, -                                          |
| 6          | Bitwise shift operators             | <<, >>                                        |
| 7          | Bitwise AND                         | &                                             |
| 8          | Bitwise XOR                         | ^                                             |
| 9          | Bitwise OR                          | \|                                            |
| 10         | Inequality operators                | <, >, <=, >=                                  |
| 11         | Equality operators                  | ==, !=                                        |
| 12         | Logical AND                         | &&                                            |
| 13         | Logical OR                          | \|\|                                          |
| 14         | Ternary operator                    | \<conditional> ? \<if-true> : \<if-false>     |
|            | Assignment operators                | =, \|=, ^=, &=, <<=, >>=, +=, -=, \*=, /=, %= |
| 15         | Comma operator                      | ,                                             |