title: jQuery-contextMenu - $.contextMenu is not a function
body: <p>I try to use the <a href="https://github.com/swisnl/jQuery-contextMenu" rel="nofollow noreferrer">contextMenu Plugin</a>, but I get <code>$.contextMenu is not a function</code>. </p>
  
  <p>I tried it like in the <a href="https://swisnl.github.io/jQuery-contextMenu/demo.html" rel="nofollow noreferrer">demo</a>.</p>
  
  <p>I can't figure out what I am doing wrong.</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>$(function() {
          $.contextMenu({
              selector: '.context-menu-one', 
              callback: function(key, options) {
                  var m = "clicked: " + key;
                  alert(m); 
              },
              items: {
                  "edit": {name: "Edit", icon: "edit"},
                  "cut": {name: "Cut", icon: "cut"},
                 copy: {name: "Copy", icon: "copy"},
                  "paste": {name: "Paste", icon: "paste"},
                  "delete": {name: "Delete", icon: "delete"},
                  "sep1": "---------",
                  "quit": {name: "Quit", icon: function(){
                      return 'context-menu-icon context-menu-icon-quit';
                  }}
              }
          });
  
          $('.context-menu-one').on('click', function(e){
              console.log('clicked', this);
          }); 
  });</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script
    src="https://code.jquery.com/jquery-3.3.1.min.js"
    integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
    crossorigin="anonymous"&gt;&lt;/script&gt;
  &lt;script type="text/javascript" src="https://raw.githubusercontent.com/swisnl/jQuery-contextMenu/master/src/jquery.contextMenu.js"&gt;&lt;/script&gt;
  
  
  
  
  &lt;span class="context-menu-one btn btn-neutral"&gt;right click me&lt;/span&gt;</code></pre>
  </div>
  </div>
  </p>