async.syquence.js

async function foo (value) {
  return Promise.resolve(value + 1);
}

async function bar (value) {
  return Promise.resolve(value + 2);
}

async function foobar() {
  const value = await foo(1);
  const result = await bar(value);
  // Do what you need with result
  // Save to local storage;
}

foobar();