title: How to run chrome js snippet before other js files?
body: <ol>
  <li>Create chrome snippet like this:
  <code>window.my_property = "my_property";</code></li>
  <li>Open any site</li>
  <li>Run the snippet</li>
  </ol>
  
  <p><img src="https://i.stack.imgur.com/os6RB.jpg" alt="Example"></p>
  
  <p>I want to my snippet run before other js scripts on the website. Is it possible? Thanks in advance.</p>