These are three types of errors:

First - Load time errors: These types of errors that come up when loading a web page like improper syntax errors are known as Load time errors and it generates the errors dynamically.

Second - Run time errors: These types of errors come due to misuse of the command inside the HTML language.

Third - Logical Errors: These are the errors that occur due to the bad logic performed on a function which is having a different operation.