“GET http://localhost:8801/main.js net::ERR_ABORTED 404 (Not Found)” error

Google thinks that I am trying to read data from localhost:8801, but I am trying to read that data from another file called “main.js.” The error is “GET http://localhost:8801/main.js net::ERR_ABORTED 404 (Not Found)” How can I reference the command from main.js without google thinking that it is a subdirectory. Here is my code in index.html:

https://sourceb.in/iuMyon5XI7

Thank you in advance.