var a = 10
+a // 10
-a // -10

var a = true
!a // false

var a = 10
~a // -11

var a = 20
var b = 10
 
a + b // 30
a - b // 10
a * b // 200
a / b // 2

var a = 10
var b = 20
 
a == b // Equal to
a != b // Not Equal to
a > b // Greater than
a < b // Less than
a >= b // Greter than or equal to
a <= b // Less than or equal to

var a = true
var b = false
 
a || b // OR
a && b // AND

var a = 10
var b = 20
 
a | b // Bitwise OR
a & b // Bitwise AND
a ^ b // Bitwise XOR