title: Failed to set the 'innerText' property on 'HTMLElement'
body: <p>I have a problem, please help me : 
  My error : Uncaught NoModificationAllowedError: Failed to set the 'innerText' property on 'HTMLElement': The 'input' element does not support text insertion.
  My code : </p>
  
  <pre><code>&lt;div id="chatmessage"&gt;
                      &lt;div id="fb-root"&gt;&lt;/div&gt;
                      &lt;script&gt;
                      (function(d, s, id) {
                      var js, fjs = d.getElementsByTagName(s)[0];
                      if (d.getElementById(id)) return;
                      js = d.createElement(s); js.id = id;
                      js.src = "//connect.facebook.net/vi_VN/sdk.js#xfbml=1&amp;version=v2.5";
                      fjs.parentNode.insertBefore(js, fjs);
                      }(document, 'script', 'facebook-jssdk'));
                      &lt;/script&gt;
                      &lt;div style="position:fixed; z-index:9999999; right:10px; bottom:10px;"&gt;
                      &lt;div class="smallfont" style="margin-bottom:-6px"&gt;
                        &lt;input onclick="if (this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';this.innerText = ''; this.value = 'Chat với chúng tôi'; } else { this.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none'; this.innerText = ''; this.value = 'Chat với chúng tôi'; }" style="width:250px;color: ‪#‎333;font-size:16px;margin:0px;padding:7px;background-color: ‪#‎4172B0‬;border-radius: 6px;margin-right:-10px;margin-bottom:5px;" type="button" value="Chát với chúng tôi"/&gt;
                          &lt;div style="margin: 0px; padding: 0px; border: 0px inset;"&gt;
                              &lt;div style="display: none;"&gt;
                                  &lt;div class="fb-page" data-adapt-container-width="true" data-height="300" data-hide-cover="false" data-href="&lt;?=$fanpage?&gt;" data-show-facepile="true" data-show-posts="false" data-small-header="true" data-tabs="messages" data-width="250" style="position:fixed; z-index:9999999; right:0px; bottom:46px;"&gt;&lt;/div&gt;
                              &lt;/div&gt;
                          &lt;/div&gt;
                      &lt;/div&gt;
              &lt;/div&gt;&lt;/div&gt;
  </code></pre>