<body>
   <div class="container">
   <h1>Set cursor at end of elements demo</h1>
   <section>
      <p>Content Editable Div with Child nodes:</p>
      <div contenteditable="true" id="1" class="element" spellcheck="false">
         <span>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi sagittis sit amet est sed volutpat. Ut eu ipsum quam.</span><span> Nam at tellus eu mauris lacinia ultrices sed at elit. Sed suscipit lectus in diam viverra, at dapibus dui lobortis.
         </span>
      </div>
      <script>let element = document.getElementById("1")</script>
      <button onclick='setCarat(element)'>
      Set Cursor at end
      </button>
   </section>
   <section>
      <p>Textarea:</p>
      <textarea id="2" class="element" spellcheck="false">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Morbi sagittis sit amet est sed volutpat.</textarea>
      <script>let element2 = document.getElementById("2")</script>
      <button onclick='setCarat(element2)'>
      Set Cursor at end
      </button>
   </section>
   <section>
      <p>Input:</p>
      <input id="3" class="element" value="Lorem ipsum dolor sit amet, consectetur adipiscing elit." spellcheck="false">
      <script>let element3 = document.getElementById("3")</script>
      <button onclick='setCarat(element3)'>
      Set Cursor at end
      </button>
   </section>
</body>
* {
  box-sizing: border-box;
}

body {
  background: #DFD8DC;
}

body, p, div, textarea, input, button {
   color: #333;
  line-height: 1.5;
  font-family: sans-serif;
}

p {
  font-weight: bold;
}

section {
  padding: 15px;
  border-bottom: 1px solid #999;
}

.container {
  width: 50%;
  margin: 0 auto;
}

h1 {
  color: #9a7f94;
  border-bottom: 2px solid #9a7f94;
}

.element {
  border: 1px solid #ccc; 
  padding: 10px; 
  font-size: 14pt;
  background: #fff;
  border-radius: 5px;
}

textarea {
  height: 50px;
  width: 100%;
}

input {
  display: inline-block;
  min-width: 500px;
}

button {
  margin-top: 10px;
  padding: 10px;
  background: #B4BAD4;
  border: none;
  border-radius: 5px;
}

button:hover {
  background: #949dc3;
}
function setCarat(element) {
    // Place cursor at the end of a content editable div
    if (element.type !== "textarea" && element.getAttribute("contenteditable") === "true") {
        element.focus()
        window.getSelection().selectAllChildren(element)
        window.getSelection().collapseToEnd()
    } else {
        // Place cursor at the end of text areas and input elements
        element.focus()
        element.select()
        window.getSelection().collapseToEnd()
    }
}

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