? :

Operators
/
? :
The ternary operator.
Accepts
Boolean
Returns
All Data Types
Syntax
boolean ? expression : result
Function

if 

1 + 1 == 3 
    ? "1 plus 1 equals 3!" 
    : "1 plus 1 does not equal 3!"/* Check if 1 plus 1 equals 3. */
1 + 1 == 3

    /* If it does, display this. */
    ? "1 + 1 equals 3!"

    /* Otherwise, display this. */
    : "1 + 1 does not equal 3!"
=
1 plus 1 does not equal 3! "1 plus 1 does not equal 3!"