Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

JavaScript DOM Scripting By Example Adding and Removing Names Using the submit Event

Alter the callback function to use the event object. Using the event object, ensure that the browser's default form subm

Alter the callback function to use the event object. Using the event object, ensure that the browser's default form submit behavior does not occur when the form is submitted.

app.js
const form = document.querySelector('form');
const submitButton = form.querySelector('[type=Submit]');

form.addEventListener('submit', () => {

});
index.html
<!DOCTYPE html>
<html>
<head>
  <title>Submit Event</title>
</head>
<body>
<form>
  <label>Name:</label>
  <input type="text" name="name">
  <input type="Submit" name="submit" value="Submit">
</form>
  <script src="app.js"></script>
</body>
</html>

3 Answers

Steven Parker
Steven Parker
231,275 Points

Don't forget about the methods of the event object.

If you pass the event object to the handler, you can then call the preventDefault method on it.

I'll bet you can solve the challenge now without an explicit spoiler.

Complete coverage of the methods and properties available on an event object can be found on the MDN documentation page.

Bram Pauwelyn
Bram Pauwelyn
23,100 Points

This is the correct code:

form.addEventListener('submit', (event) => {
  event.preventDefault();
});
Timo J.
PLUS
Timo J.
Courses Plus Student 20,919 Points

Try This!

form.addEventListener('submit', (e) => { e.preventDefault(); });