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 trialBala Selvam
Python Development Techdegree Student 30,590 PointsAdd a click event listener on the button. Pass an empty function in as the second parameter.
Need a little help. No clue what I am missing
const warning = document.getElementById("warning");
let button = document.querySelector('#makeItRed');
button.addEventListener("click", function()){};
<!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>
6 Answers
Sheryl Darroch
Treehouse Project ReviewerHi Bala,
Your curly braces need to be inside the parenthesis. Like this:
button.addEventListener('click', function(){});
Hope this helps!
Konrad Traczyk
22,287 PointsYour passing the function in bad way, you have to put whole function, not just name function() as a second parameter.
Like this
button.addEventListener("click", function(){});
nathanielcusano
9,808 Pointsbutton.addEventListener("click", () => {
});
Mike Hatch
14,940 PointsNathaniel, that's what I ended up doing. I wonder if it makes any difference semantically speaking when working with other coders.
Manoj Gurung
5,318 Pointsvar warning = document.getElementById("warning"); var button=document.getElementById("makeItRed");
button.addEventListner("click",function(){} );
whats wrong with this one????????
Bala Selvam
Python Development Techdegree Student 30,590 PointsOh I see. That helps a lot. Thank you.
Starky Paulino
Front End Web Development Techdegree Student 6,398 Pointsvar warning = document.getElementById("warning"); var button = document.getElementById("makeItRed");
button.addEventListener('click', function() {
});