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JavaScript JavaScript and the DOM (Retiring) Getting a Handle on the DOM Select a Page Element By Its ID

Posted by Zach Handler
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Zach Handler
Web Development Techdegree Student 5,332 Points

Can't find the error in my code.

When I click the button the header does not change color.

I'm getting this error: Uncaught TypeError: Cannot read property 'addEventListener' of null

Here is my workspace: https://w.trhou.se/aj7xyt9tjn

1 Answer

Armin Kadic
Armin Kadic
16,242 Points
Armin Kadic
Armin Kadic
16,242 Points

You wrote 'my button' instead of "myButton" in the second line. You also wrote "stlye" instead of "style" in the event listener.