JavaScript » Logical » !
This is the logical NOT operator which returns false if its single operand can be converted to true, or if it is a non-Boolean value and true if its operand can be converted to false.
Examples
Code:
x = !(a == c)
x = !"cheese" Explanation:
These examples return false.
Code:
x = !(a > b)Explanation:
This example returns true.
