some understanding about ESLint

what you can see

In VS Code or other IDE

you would see those below:

  • the red underlines in your code, that when you hover, a tip window will show you these underlined code has any problems.beside ,some button on that window. click ,will automatic fix these problems.
  • it can be other prompt forms in IDE

conclution, relay on ESLint , IDE can get what’s problems in you code, thus IDE will prompt these problems by all kinds of UI form for you.