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

add a click event listener to button. Pass an empty function as the second parameter.

I don't know what I'm missing. Can you please help with this question.

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

Emmanuel C
Emmanuel C
10,319 Points

You need to get the element with the id makeItRed and the function is actually addEventListener, Then the second parameter would be an empty function, so...

var button = document.getElementById('makeItRed');
button.addEventListener("click", function() {});