Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

JavaScript JavaScript and the DOM (Retiring) Traversing the DOM Sibling Traversal

namananishanth
PLUS
namananishanth
Courses Plus Student 6,795 Points
Posted by namananishanth
namananishanth
Courses Plus Student 6,795 Points

Can anyone help me in solving this problem

Can anyone help me in solving this problem

app.js 
const list = document.getElementsByTagName('ul')[0];

list.addEventListener('click', function(e) {
  if (e.target.tagName == 'BUTTON') {
    let li = event.target.previousElementSibling;


  }
});
index.html 
<!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>
Michael Davis
Michael Davis
Courses Plus Student 12,508 Points
Michael Davis
Michael Davis
Courses Plus Student 12,508 Points

Without knowing the problem, I'd just be guessing at a solution. What are you having trouble with?

namananishanth
namananishanth
Courses Plus Student 6,795 Points
namananishanth
namananishanth
Courses Plus Student 6,795 Points

Sorry, I have mistakenly posted this. I got a solution for this. Thank you.