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 (Retiring) Making Changes to the DOM Appending Nodes

Aaron Noble
Aaron Noble
6,559 Points
Posted by Aaron Noble
Aaron Noble
6,559 Points

I have an Uncaught TypeError: I need help on

I have an Uncaught TypeError: that I looked up on stack overflow but didn't see how any of those solutions applied to my code. Could you please look at my Snapshot and see what I am missing. Thank you, Aaron !

https://w.trhou.se/rhm95e470u

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,967 Points

In your html the b in button of your class name is lowercase

<button class='addItembutton'>Add Item</button>

However in your javascript the b is uppercase

const addItemButton = document.querySelector('button.addItemButton');
Aaron Noble
Aaron Noble
6,559 Points
Aaron Noble
Aaron Noble
6,559 Points

Nice call. I hate myself when I do that. Thanks again