Where is error in this code ? 🙏

Question

https://code.sololearn.com/Ww8JM5Sev0Rm/?ref=app

Answer 1

Read the error message. It tells you that you are trying to call a method that does not exist. Check the SPELLING of the method.

Edit:
In a next step of debugging you need to make sure that the DOM is fully loaded before you try to get the elements in your JS.