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

Posted by mathieu combaudon
mathieu combaudon
Courses Plus Student 14,894 Points

i don't understand the 'empty function' part of the statement

i understood the click event but i dont how to 'pass an empty function...

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

button.addEventlistener('click',()=>)
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>

1 Answer

Umesh Ravji
Umesh Ravji
42,386 Points
Umesh Ravji
Umesh Ravji
42,386 Points 
// make sure it's an uppercase 'L' too
button.addEventListener('click', () => {});

You're just missing the curly braces :)

You may want to watch this if you haven't yet: https://teamtreehouse.com/library/-basic-arrow-syntax