// Load content onload if it exists in localStorage window.onload = function() { if(localStorage.getItem('content')) { document.querySelector('.content').innerHTML = localStorage.getItem('content'); } } let editBtn = document.querySelector('#edit_content'); let content = document.querySelector('.content'); editBtn.addEventListener('click', () => { // Toggle contentEditable on button click content.contentEditable = !content.isContentEditable; // If disabled, save text if(content.contentEditable === 'false') { localStorage.setItem('content', content.innerHTML); } });