title: TypeError: $(...).jqxTree is not a function
body: <p>i am Trying To Bind the tree But Getting TypeError. Json Values Not Binding in jqwidgets tree.I just add The Plugin in Head Tag And declare it.</p>
  
  <p>myCode :</p>
  
  <pre><code>&lt;script type="text/javascript" src="assets/jtree/jquery-1.10.2.min.js"&gt;&lt;/script&gt;    
  &lt;script type="text/javascript" src="assets/jtree/jqxcore.js"&gt;&lt;/script&gt;    
  &lt;script type="text/javascript" src="assets/jtree/jqxbuttons.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="assets/jtree/jqxscrollbar.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="assets/jtree/jqxpanel.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="assets/jtree/jqxtree.js"&gt;&lt;/script&gt;
  
  jQuery(document).ready(function () {
       LoadOrgUnitData();
  });
  
  function LoadOrgUnitData() {                        
                  var source = [
              { label: "Item 1", expanded: true, items: [
                  { label: "Item 1.1" },
                  { label: "Item 1.2", selected: true }
              ]
              },
              { label: "Item 2" },
              { label: "Item 3" },
              { label: "Item 4", items: [
                  { label: "Item 4.1" },
                  { label: "Item 4.2" }
              ]
              },
              { label: "Item 5" },
              { label: "Item 6" },
              { label: "Item 7" }
          ];
      // Create jqxTree.
                  alert(source);
  
                  $('#jqxTree').jqxTree({ source: source, height: '300px', width: '300px' });             
  }
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/mcR8o.png" alt="enter image description here"></p>