title: My script doesn't run when external script file is loaded on local drive
body: <p>I'm making a simple tool - a HTML file on local drive that's opened via <code>file:///</code>. I need to link a script into it:</p>
  
  <pre><code> &lt;script type="text/javascript" src="file:///C:/.../externam.js"&gt;
   &lt;script type="text/javascript"&gt;
    alert("Main script!");
   &lt;/script&gt;
  </code></pre>
  
  <p>But the alert never launches (no script does). I tried different scripts. There are no errors in console.</p>
  
  <p>Is this normal?</p>