title: How to make a javaScript variable equal to something or something else?
body: <p>Trying to add randomness to which image is displayed. Issue with saying calling and or statement.   </p>
  
  <pre><code>var image = url3 | url2 | url1;
      buildImage(image);
  
  
  
  function buildImage(imagesrc) {
      var img = document.createElement('img');
      img.src = imagesrc;
      document.getElementById('content').appendChild(img);
  </code></pre>