Fetch API promise chaining

Main.js

function logResult(result) {

  console.log(result);

}

function logError(error) {

  console.log('Looks like there was a problem: \n', error);

}

function validateResponse(response) {

  if (!response.ok) {

    throw Error(response.statusText);

  }

  return response;

}

function readResponseAsJSON(response) {

  return response.json();

}

function fetchJSON(pathToResource) {

  fetch(pathToResource) // 1

  .then(validateResponse) // 2

  .then(readResponseAsJSON) // 3

  .then(logResult) // 4

  .catch(logError);

}

fetchJSON('examples/example.json');