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 JavaScript and the DOM Getting a Handle on the DOM Select by ID

Ricky Redman
Ricky Redman
7,520 Points

I'm confused about this challenge, is the id entered the into a method?

I'm confused about this challenge, is the id entered the into a method?

app.js
// Complete the challenge by writing JavaScript below
const button = '<button></button>';

button.addEventListener('click', () => {
  alert(input.value);
});
index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Phrase Sayer</title>
  </head>
  <body>
    <p><label for="input-phrase">Type a phrase</label></p>
    <p><input type="text" id="input-phrase"></p>
    <p><button id="btn-phrase">Say Phrase</button></p>
    <script src="app.js"></script>
  </body>
</html>

1 Answer

Steven Parker
Steven Parker
231,248 Points

Instead of assigning "button" with a string containing HTML, use a selector function to assign it using a reference to the element that already exists.

For example:

const button = document.getElementById("btn-phrase");