# What is Conditional Operator (?:) in JavaScript?

JavascriptWeb DevelopmentFront End Technology

The conditional operator or ternary operator first evaluates an expression for a true or false value and then executes one of the two given statements depending upon the result of the evaluation.

 Sr.No Operator and Description 1 ?: (Conditional )If Condition is true? Then value X : Otherwise value Y

## Example

You can try to run the following code to understand how Ternary Operator works in JavaScript −

<html>
<body>
<script>
var a =10;
var b =20;
varlinebreak = "<br />";

document.write ("((a > b) ? 100 : 200) => ");
result =(a > b) ? 100 : 200;
document.write(result);
document.write(linebreak);

document.write ("((a < b) ? 100 : 200) => ");
result =(a < b) ? 100 : 200;
document.write(result);
document.write(linebreak);
</script>
</body>
</html>
Published on 25-Jan-2018 11:01:40