<div id="wrapper">

​

  <section>

    <h1 class="headline">contentEditable Demonstration</h1>

​

    <button id="editBtn" type="button">Edit Document</button>

    <div id="editDocument">

      <h1 id="title">A Nice Heading.</h1>

      <p>Last Edited by <span id="author">Monty Shokeen</span>

      </p>

      <p id="content">You can change the heading, author name and this content itself. Click on Edit Document to start editing. All the editable content is styled differently. The final content is saved in localStorage and is retrieved later when you reload the webpage.</p>

    </div>

  </section>

</div>

body { 

  font-family: Arial; 

  font-size: 1.3em;

  line-height: 1.6em;

}

​

.headline{

  font-size: 2em;

  text-align: center;

}

​

#wrapper {

  width: 600px;

  background: #FFF;

  padding: 1em;

  margin: 1em auto;

  box-shadow: 0 2px 5px rgba(0,0,0,0.3);

  border-radius: 3px;

}

​

button {

  border: none;

  padding: 0.8em;

  background: #F96;

  border-radius: 3px;

  color: white;

  font-weight: bold;

  margin: 0 0 1em;

}

​

button:hover, button:focus {

  cursor: pointer;

  outline: none;

}

​

#editor {

  padding: 1em;

  background: #E6E6E6;

  border-radius: 3px;

}

​

#editor:focus {

  background: #FFF;

  border-color: #69c773;

}

const editBtn = document.getElementById('editBtn');

const editables = document.querySelectorAll('#title, #author, #content');

​

if (typeof(Storage) !== "undefined") {

  if (localStorage.getItem('title') !== null) {

    editables[0].innerHTML = localStorage.getItem('title');

  }

  if (localStorage.getItem('author') !== null) {

    editables[1].innerHTML = localStorage.getItem('author');

  }

  if (localStorage.getItem('content') !== null) {

    editables[2].innerHTML = localStorage.getItem('content');

  }

}

​

editBtn.addEventListener('click', function(e) {

  if (!editables[0].isContentEditable) {

    editables[0].contentEditable = 'true';

    editables[1].contentEditable = 'true';

    editables[2].contentEditable = 'true';

    editBtn.innerHTML = 'Save Changes';

    editBtn.style.backgroundColor = '#6F9';

  } else {

    // Disable Editing

    editables[0].contentEditable = 'false';

    editables[1].contentEditable = 'false';

    editables[2].contentEditable = 'false';

    // Change Button Text and Color

    editBtn.innerHTML = 'Enable Editing';

    editBtn.style.backgroundColor = '#F96';

    // Save the data in localStorage 

    for (var i = 0; i < editables.length; i++) {

      localStorage.setItem(editables[i].getAttribute('id'), editables[i].innerHTML);

    }

  }

});

​

document.addEventListener('keydown', function(e) {

  for (var i = 0; i < editables.length; i++) {

    localStorage.setItem(editables[i].getAttribute('id'), editables[i].innerHTML);

  }

});