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.
Thats a weird error are you still getting it?
Try refreshing page or switching browsers.
Let me know
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.
The wrong still exsit on ,Please help to solve.
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 ?
2、 I use the Google browser.
3、Operating system is W7
4、This wrong is always in work/home.
Expecting a function in instanceof check, but got undefined
The browser you using is chrome ?
Yes! This probelm is still exsit! please solve!
Error has been reported, sorry for the inconvenience.