title: How to execute Javascript alert when page loads the first time only
body: <p>I am trying to execute a javascript alert, but only alert if it is the first time that browser / computer has viewed that page - or something similar to that. <br>
  How would this be done? I have written the Javascript to what I think it be similar to. </p>
  
  <pre><code>function alert() {
      alert(" Please view this is Firefox");
  }
  if (first time viewing this page) {
      alert();
  }
  </code></pre>
  
  <p>I really appreciate your help </p>