Front End Development Libraries Projects - Build a JavaScript Calculator

Tell us what’s happening:
Describe your issue in detail here.
I need help.
I cant append a sign to the displayed answer but i can append number.
Also the stuff calculates but i still failed.
just ???

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/105.0.0.0 Safari/537.36

Challenge: Front End Development Libraries Projects - Build a JavaScript Calculator

Link to the challenge:

there is 158 lines of code in your JS.

One of the reasons why your request is not answere may be that it is time consuming to go through your code and try to find the source of an issue.

Can you elaborate more please?

Which part of the code is responsible for

?

Why do you think it is not working?

What research you’ve already done and why it is not helpful?

What did you try so far?

I think that am not quite getting it at that point. As for the research, yes i have. Maybe, i will just go through them again and see where the error is.
What i wanted to do there was simple
Just trying to check for the last item and then, add a sign to it. Let me review it again. I pray it works this time