Easy fix when font awesome is not showing on Windows Phone IE

This short piece of JavaScript will hide all font awesome icons when viewed on Windows Phone device.

if (
 navigator.userAgent.match(/ZuneWP/i) ||
 navigator.userAgent.match(/IEMobile/i)
) {
  var msViewportStyle = document.createElement("style");
  msViewportStyle.appendChild(
    document.createTextNode(
      ".fa{display:none !important;}"
    );
  );
  document.getElementsByTagName("head")[0]
  .appendChild(msViewportStyle);
}