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

Posted by luckius kajoka
luckius kajoka
1,695 Points

After your newly created returnValue function, create a new variable named echo. Set the value of echo to be the results

help me

script.js 
function returnValue ( sound ) {
var echo = sound
return echo ;
}
returnValue ( 'sound' ) ;
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>

2 Answers

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,972 Points
KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,972 Points

Set the value of echo means assign the results of the function you created:

var echo = returnValue ('sound') ;
Shlomi Bittan
Shlomi Bittan
6,718 Points
Shlomi Bittan
Shlomi Bittan
6,718 Points

Hi, KRIS is right. The echo variable should be removed from the function, like so:

function returnValue (sound) {
    return sound;
}
let echo = returnValue ( 'sound' ) ;