The lecture goes over running the eslint command to detect violations to the linter rules.

You learn how to identify the file and the line and column that is causing the trouble.

The lecture shows how to reference the documentation so you can understand the purpose and meaning of the rule and how to address and comply with the linter.

You learn how to fix the linter issue and run the eslint again to see the violation disappear.

You briefly learn the purpose of npx command to avoid typing a more explicit and longer path to run the eslint command.