title: Display content of a text file as combo box option
body: <p>I am trying to read content of a .txt file, loop through the lines &amp; display them as multiselect/ options with combobox. I have 0 knowledge in html, css &amp; js. Please help.</p>
  
  <p>This is what i have built, after googling. But I don't need an i-frame. I need multi select options.</p>
  
  <pre><code>&lt;html&gt;
  &lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
  &lt;head&gt;
     &lt;title&gt;Trigger&lt;/title&gt;
        &lt;style&gt; 
  
          #target { 
              width: 300px; 
              height: 200px; 
              overflow-y: auto; 
              overflow-x: auto; 
              resize: both; 
              position: relative; 
              z-index: 2; 
          } 
  
          iframe { 
              width: 100%; 
              height: 100%; 
              border: auto; 
          } 
      &lt;/style&gt; 
  &lt;/head&gt;
  
  &lt;body&gt;
  
  &lt;h1 style="background-color:MediumSeaGreen; border:2px solid Black; font-family:verdana;"&gt;Trigger Page&lt;/h1&gt;
  &lt;p style="font-family:verdana;" &gt;Please select from the below list:&lt;/p&gt;
  
  &lt;iframe id='iframe' src = 'D:/allStories.txt' onload='readfile()'&gt; &lt;/iframe&gt;
  
  &lt;/body&gt;
  &lt;/html&gt;
  </code></pre>
  
  <p>I am expecting multiselect list</p>