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 Interactive Web Pages with JavaScript Traversing and Manipulating the DOM with JavaScript Perform: Changing Classes

Cannot read property 'value' of null

I can't figure out what's wrong with my code! The console keeps returning this error, Uncaught TypeError: Cannot read property 'value' of null ... line 87. I copied exactly what the video showed. Here is a snapshot of my code... https://w.trhou.se/fdciyhebu0

2 Answers

It means your editInput is not created properly. I have a hunch it has to do with this line:

var editInput = listItem.querySelector("iput[type=text]");

Notice a typo there?

:p Thanks that totally fixed it.

No problem! It happens all the time =)