how to use fetch method in javascriot code example

Example 1: http request javascript fetch

fetch('http://example.com/movies.json')
  .then(response => response.json())
  .then(data => console.log(data));

Example 2: .fetch method

fetch('http://example.com/data.json')
  .then(data => data);
  .catch(err => console.log(err));