Build a JavaScript Calculator bug (part 2)

Tell us what’s happening:
can anyone tell me where my errors are here? it wont work. thanks!

Your code so far

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36.

Link to the challenge:

A post was merged into an existing topic: Build a JavaScript Calculator Bug