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

:) :((
:) :((
6,776 Points
Posted by :) :((
:) :((
6,776 Points

Can someone resolve this challenge ?

I need some help i tried everything, i still didn't get it , i really need a example.

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

list.addEventListener('click', function(e) {
  if (e.target.tagName == 'BUTTON') {

  }
});
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>

1 Answer

Dimitar Dimitrov
Dimitar Dimitrov
11,800 Points
Dimitar Dimitrov
Dimitar Dimitrov
11,800 Points

You can add the class using DOM traversal to select the previous sibling of the target button element.

e.target.previousSibling.classList.add('highlight')
:) :((
:) :((
6,776 Points
:) :((
:) :((
6,776 Points

Thank youu :D