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 and the DOM (Retiring) Responding to User Interaction Adding an Event Listener

Posted by Kinkaid Nolen
Kinkaid Nolen
4,859 Points

How do I pass a second function?

How do I pass a second function?

app.js 
var warning = document.getElementById("warning");
var button = document.getElementById('makeItRed');

button.addEventListener('click',button,() => {

});
index.html 
<!DOCTYPE html>
<html>
    <head>
        <title>Adding an Event Listener</title>
    </head>
    <link rel="stylesheet" href="style.css" />
    <body>
        <div id="warning">
            Warning: My background should be red!
        </div>
        <button id="makeItRed">Make It Red!</button>
        <script src="app.js"></script>
    </body>
</html>

2 Answers

Steven Parker
Steven Parker
229,670 Points
Steven Parker
Steven Parker
229,670 Points

The instructions tell you to "Pass an empty function as the second parameter.", but this code is passing "button" as the second parameter and the function as the third parameter.

Just remove the current second parameter.

Kinkaid Nolen
Kinkaid Nolen
4,859 Points

Thank you!

Jamie Reardon
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Jamie Reardon
Treehouse Project Reviewer
Jamie Reardon
.a{fill-rule:evenodd;}techdegree seal-36
Jamie Reardon
Treehouse Project Reviewer

Hi there,

I have answered your most recent duplicate post. Please try to refer from posting the same question more than once as it is known as spam and will help keep the forum organised. Regardless of the amount of times you post a question, it will eventually be answered :)

Kinkaid Nolen
Kinkaid Nolen
4,859 Points

Sorry about that! Thank you.