1a * (b + c)         // grouping
2person.age          // member
3person[age]         // member
4!(a == b)           // logical not
5a != b              // not equal
6typeof a            // type (number, object, function...)
7x << 2  x >> 3      // minary shifting
8a = b               // assignment
9a == b              // equals
10a != b              // unequal
11a === b             // strict equal
12a !== b             // strict unequal
13a < b   a > b       // less and greater than
14a <= b  a >= b      // less or equal, greater or eq
15a += b              // a = a + b (works with - * %...)
16a && b              // logical and
17a || b              // logical or
18