[reported #299] Expecting a function in instanceof check, but got undefined


sys tip: Expecting a function in instanceof check, but got undefined
I don’t konw what’s wrong? why go on next?
I need help.

Hi,

Thats a weird error are you still getting it?
Try refreshing page or switching browsers.

Let me know :slight_smile:

I tried Google browser, Internet explorer,still appear such mistakes.

This mistake is many times, change browsers can’t solve,please help me .

learning" make a web site" incourse, the problems for many times, I think it’s about the problems existing in the site itself. Please check.

1 Like

The wrong still exsit on ,Please help to solve.

This mistake is many times, change browsers can’t solve,please help me .

Let me find out and get back to you

problem is still exsit,don’t solve!

I’m sorry about that, please give me the following info so I can report error.

  • Lesson URL
  • Your browser
  • Your operating system
  • Are you working from home/school/work device ?

Thanks

1、lesson URL:https://www.codecademy.com/en/courses/make-a-website/lessons/site-structure/exercises/add-video?action=resume.
2、 I use the Google browser.
3、Operating system is W7
4、This wrong is always in work/home.

Tip:
Expecting a function in instanceof check, but got undefined
Run

The browser you using is chrome ?

Yes! This probelm is still exsit! please solve!

1 Like

Error has been reported, sorry for the inconvenience.