title: window.screen.width and window.screen.height not working on iPad 3
body: <p>I'm using the functions</p>
  
  <pre><code>window.screen.width
  window.screen.height
  </code></pre>
  
  <p>to detect the screen resolution of the user.
  They work like a charm on PCs, but they don't on iPad 3.
  They output 768 and 1024 instead of 2048 and 1536.</p>
  
  <p>Can somebody help me, please?
  Thank you in advance</p>