javascript conditional operators code example

Example 1: examples of Conditional Operator js

var age = 19;
var canDrive = age > 16 ? 'yes' : 'no';

Example 2: ternary operator in javascript

FullName: (obj.FirstName && obj.LastName) ? obj.FirstName + " " + obj.LastName : "missing values",

Example 3: js comparison operators

Javascript Comparison Operators
== Equal to
=== Equal value and equal type
!= Not equal
!== Not equal value or not equal type
> Greater than
< Less than
>= Greater than or equal to
<= Less than or equal to
? Ternary operator

Example 4: javascript conditional evaluation

if ( expression )
Here are some expressions and their result
	Undefined: false
	Null: false
	Boolean: the result equals the input argument (no conversion)
	Number: false if the argument is +0, -0, or NaN; otherwise true
	String: false if the argument is an empty string (length = 0); 
			otherwise true
	Object: true