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![Sherrie Jeffers](https://uploads.teamtreehouse.com/production/profile-photos/11591010/micro_kitties.jpg)
Sherrie Jeffers
Front End Web Development Techdegree Student 7,909 PointsIdk what I'm doing wrong
can someone please look at this and tell me what I'm doing wrong because I have no idea.
var warning = document.getElementById("warning");
var button = document.getElementById('makeItRed');
button.addEventListener('click', ()=>{
document.getElementByID('warning').style.backgroundColor = 'red'
});
<!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
![Steven Parker](https://uploads.teamtreehouse.com/production/profile-photos/969492/micro_tool_chess_set_2.jpg)
Steven Parker
230,688 PointsYou have a spelling issue with "getElementByID" (capital "D") instead of "getElementById".
But you also don't need to call that function again, since the first line of code already does that and assigns the result to the variable warning.
Sherrie Jeffers
Front End Web Development Techdegree Student 7,909 PointsSherrie Jeffers
Front End Web Development Techdegree Student 7,909 Pointsthank you! sometimes tired brain is blind haha