Fetch example

fetch.js

async function init() {
  try {
    let login = await fetch('http://xxx.xxx.xxx.xxx/api/login', {
      method: 'POST',
      body: JSON.stringify({login: 'user', password: 'password'}),
    }).then(response => response.json());
    let action = await fetch('http://xxx.xxx.xxx.xxx/api/action', {
      method: 'GET',
      headers: {'Authorization': login.token},
    }).then(response => response.json());
    let action1 = await fetch('http://xxx.xxx.xxx.xxx/api/action1', {
      method: 'GET',
      headers: {'Authorization': login.token},
    }).then(response => response.json());
    return {devices, absolute_layouts};
  } catch (e) {
    console.log('ciao');
  }
}