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![Caroline Louw](https://secure.gravatar.com/avatar/f70a6a0eb2ace69225e3822d0a675e23?s=96&d=https%3A%2F%2Fecs-static.teamtreehouse.com%2Fassets%2Fcontent%2Fdefault_avatar-445fbbabfc8dc9188fb5967fe43322ee0c3e0dd1e10f378bf8343784af5a13eb.webp&r=pg)
Caroline Louw
12,155 Pointshow do i add the class highlight to the p element?
do i use previousElementSibling or previousSibling?
var list = document.getElementsByTagName('ul')[0];
list.addEventListener('click', function(e) {
if (e.target.tagName == 'BUTTON') {
let p = e.target.previousSibling;
p.className = 'highlight';
});
<!DOCTYPE html>
<html>
<head>
<title>JavaScript and the DOM</title>
</head>
<link rel="stylesheet" href="style.css" />
<body>
<section>
<h1>Making a Webpage Interactive</h1>
<p>Things to Learn</p>
<ul>
<li><p>Element Selection</p><button>Highlight</button></li>
<li><p>Events</p><button>Highlight</button></li>
<li><p>Event Listening</p><button>Highlight</button></li>
<li><p>DOM Traversal</p><button>Highlight</button></li>
</ul>
</section>
<script src="app.js"></script>
</body>
</html>
1 Answer
![Rabin Gharti Magar](https://uploads.teamtreehouse.com/production/profile-photos/11512886/micro_edit-LEA151221C3562.jpg)
Rabin Gharti Magar
Front End Web Development Techdegree Graduate 20,928 PointsHey Caroline Louw,
You can use previousElementSibling
like this:
list.addEventListener('click', function(e) {
if (e.target.tagName == 'BUTTON') {
const target = e.target;
target.previousElementSibling.className = "highlight";
}
});
Hope this helps!