asyncfetchfrombackend.js

async fetchFromBackEnd(){
    this.notes = await fetch("http://localhost:3000/api/v1/notes").then(response => response.json())

    // render sidebar notes
    for (const note of this.notes) {
      let newNote = new Note({title: note.title, body: note.body, id: note.id});
      newNote.createSidebarDiv()
    }

    // sidebar eventlistener (show note)
    this.sideBar.addEventListener('click', this.handleShowFullNote.bind(this));

    // new note button listener
    this.newNote.addEventListener('click', this.handleNewNote.bind(this));
  }