TypeError: t.querySelectorAll(...).forEach is not a function

HTML-CSS
1

Tell us what’s happening: TypeError: t.querySelectorAll(…).forEach is not a function
Having this error with my first challenge. I am stuck. Please help.

Your code so far

Hello


<h1>Hello</h1>

Your browser information:

User Agent is: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36.

Challenge: Say Hello to HTML Elements

Link to the challenge:

2

Yeah, I don’t know what that is - that sounds like some internal problem with the program, not anything you’ve done.

I would clear the browser cache, reboot and try again - maybe try a different browser.

3

hola es mi primer dia estoy estoy con el primer desafio para mi y no se como pasarlo me parece que lo estoy haciendo bien pero no me lo marca

"hola mundo".