[Vuejs]-How to handle Vue JS application when backend API application is not running?

axios.get(url, oprtions)
  .then((response) => console.log(response))
  .catch((error) => console.log(error)); // error.response, error.response.status, and so on

or

fetch(url, oprtions)
  .then((response) => console.log(response))
  .catch((error) => console.log(error)); // error.response, error.response.status, and so on

Read more about error handling:

• Error/Exception handling in Vue.js application
• Dealing with Errors