Error script

Question

The reason for the error in the script.js file can be that, although I do not know the $ $ does not know and get lost ??? ☹️
https://code.sololearn.com/W3Wwg7I3i6X2/?ref=app
https://code.sololearn.com/WBf7268FPQPl/?ref=app

Answer 1

Can you please clarify more 😊

Answer 2

Why does my js.script file do not recognize my $ $ program at all? What is the error? What should I download?

Answer 3

English is not good, sorry 🙂