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>
raja
Published on 25-Jan-2018 11:01:40
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