How Search filter javascript with get data from local Storage and parse DOM

Question

Please How to get data from local storage and parse DOM with the source code below :

const forms = document.forms;
const searchBar = forms['searchBook'].querySelector('input');
searchBar.addEventListener('keyup', (e) => {
  const term = e.target.value.toLowerCase();
  const txt = JSON.parse(localStorage.getItem("TODO_APPS"));
  const books = document.querySelectorAll(".book_item");
  Array.from(books).forEach((book) => {
    const titlee = book.firstElementChild.textContent;
    if (titlee.toLowerCase().indexOf(e.target.value) != -1) {
      book.style.display = 'block';
    } else {
      book.style.display = 'none';
    }
  });
});