What is wrong with my program

Question

I thing it is in function 6 in javascript
https://code.sololearn.com/Wt94YrsOpKPe/?ref=app

Answer 1

You have an extra closing brace at the end.Also you're trying to use jquery methods but you don't have jquery included in your code.

Answer 2

Use the jquery cdn.Google it

Answer 3

But how do I include jquery in my code