Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript JavaScript Foundations Functions Anonymous Functions

Posted by Jon Willey
Jon Willey
6,102 Points

Anonymous function. Can't get task 2 to execute 'true'

Task 2/2 : Unable to get this anonymous function to execute to 'true'

index.html 
<!DOCTYPE html>
<html lang="en">
  <head>
    <title>JavaScript Foundations: Functions</title>
    <style>
      html {
        background: #FAFAFA;
        font-family: sans-serif;
      }
    </style>
  </head>
  <body>
    <h1>JavaScript Foundations</h1>
    <h2>Functions: Anonymous Functions</h2>
    <script>
      var anonymousFunction=function(){

      };

      (function (anonymousFunction){
        window.didExecute = true;
      });
    </script>
  </body>
</html>

1 Answer

Michalis Efstathiou
Michalis Efstathiou
11,180 Points
Michalis Efstathiou
Michalis Efstathiou
11,180 Points 
<script>
      var anonymousFunction = function(){};

     (function () {
        window.didExecute = true;
      })();
</script>

when you put an anonymous function in parenthesis, you can then use parenthesis to call it