title: Uncaught TypeError: Cannot read property 'removeChild' of null without using removeChild
body: <p>I don't use <code>removeChild()</code> and neither I try remove something before's there something.</p>
  
  <pre><code>jquery-3.3.1.min.js:2 Uncaught TypeError: Cannot read property 'removeChild' of null
      at m (jquery-3.3.1.min.js:2)
      at Function.globalEval (jquery-3.3.1.min.js:2)
      at text script (jquery-3.3.1.min.js:2)
      at Ut (jquery-3.3.1.min.js:2)
      at k (jquery-3.3.1.min.js:2)
      at XMLHttpRequest.&lt;anonymous&gt; (jquery-3.3.1.min.js:2)
      at Object.send (jquery-3.3.1.min.js:2)
      at Function.ajax (jquery-3.3.1.min.js:2)
      at Function.w._evalUrl (jquery-3.3.1.min.js:2)
      at Re (jquery-3.3.1.min.js:2)
  </code></pre>
  
  <p>I receive with <code>$.ajax</code> html and I <code>.html()</code> it into a div container.</p>
  
  <pre><code>$(".kontakt").click(function(a) {
        $('.opt-out').fadeOut();
        a.stopPropagation()
        a.preventDefault()
  
        $.ajax({async: true,
        type: "POST",
         url: "classes/handle.ajax.class.php",
         data: {
              class: "kontakt"
         },
         success: function(a) {
           $(".link-container").html(a)
           $('.link-container').fadeIn();
           blur();
         }
       })
  })
  </code></pre>