Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

JavaScript JavaScript Basics (Retired) Creating Reusable Code with Functions Passing an Argument to a Function

i didn't understand what to do

i didn't understand where do i need to put the variable and what to return

script.js
function returnValue(x) {
var echo = returnValue;
  return x
}
returnValue('helo');
index.html
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="script.js"></script>
</body>
</html>

1 Answer

Antti Lylander
Antti Lylander
9,673 Points

you must declare the variable outside the function. With your "returnValue('helo');" you are on the right track. Just assing that to variable echo and you are done.