How do we use function literal to define a function in JavaScript?

JavascriptWeb DevelopmentFront End Technology

JavaScript 1.2 introduces the concept of function literals, which is another new way of defining functions. A function literal is an expression that defines an unnamed function.

Example

You can try the following example to implement functional literals in JavaScript

Live Demo

<html>
   <head>
      <script>
         <!--
            var func = function(x,y){ return x*y };
            function secondFunction(){
               var result;
               result = func(10,20);
               document.write ( result );
            }
         //-->
      </script>
   </head>

   <body>
      <p>Click the following button to call the function</p>
      <form>
         <input type="button" onclick="secondFunction()" value="Call Function">
      </form>
      <p>Use different parameters inside the function and then try...</p>
   </body>
</html>
raja
Published on 07-Feb-2018 11:50:12
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