| Priority | Operator | Description | Example |
|---|---|---|---|
| 1 | ( ) | Expression grouping | (3 + 4) |
| 2 | . | Member | person.name |
| 2 | [] | Member | person["name"] |
| 3 | () | Function call | myFunction() |
| 3 | new | Create | new Date() |
| 4 | ++ | Postfix Increment | i++ |
| 4 | -- | Postfix Decrement | i-- |
| 5 | ++ | Prefix Increment | ++i |
| 5 | -- | Prefix Decrement | --i |
| 5 | ! | Logical not | !(x==y) |
| 5 | typeof | Type | typeof x |
| 6 | * | Multiplication | 10 * 5 |
| 6 | / | Division | 10 / 5 |
| 6 | % | Modulo division | 10 % 5 |
| 6 | ** | Exponentiation | 10 ** 2 |
| 7 | + | Addition | 10 + 5 |
| 7 | - | Subtraction | 10 - 5 |
| 8 | << | Shift left | x << 2 |
| 8 | >> | Shift right | x >> 2 |
| 9 | < | Less than | x < y |
| 9 | <= | Less than or equal | x <= y |
| 9 | > | Greater than | x > y |
| 9 | >= | Greater than or equal | x >= y |
| 10 | == | Equal | x == y |
| 10 | === | Strict equal | x === y |
| 10 | != | Unequal | x != y |
| 10 | !== | Strict unequal | x !== y |
| 11 | && | And | x && y |
| 12 | || | Or | x || y |
| 13 | = | Assignment | x = y |
| 13 | += | Assignment | x += y |
| 13 | -= | Assignment | x -= y |
| 13 | *= | Assignment | x *= y |
| 13 | /= | Assignment | x /= y |
Top priority goes to expressions in parentheses which are fully computed before the value is used in the rest of the expression.
