Async/await without try/catch in JavaScript

oldFetchAndUpdatePosts.js

function fetchAndUpdatePosts() {
  fetchPosts()
    .then((posts) => {
      updatePosts(posts)
        .catch((err) => {
          console.log('error in updating posts');
        });
    })
    .catch(() => {
      console.log('error in fetching posts');
    });
}