Look

Question

What is the wrong with this code

https://code.sololearn.com/WxQf0pZtEZW5/

Answer 1

The script is loaded before the page contents load up. Consider checking if the document has loaded in your HTML file.

I guess you can take my code as an example:
https://code.sololearn.com/WDy7AkMzRk5o/?ref=app