Bug 237476

Summary: Safari 15 does not load font awesome in IFRAME
Product: WebKit Reporter: Ivan <ivberezansky>
Component: FramesAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Major CC: mmaxfield, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari 15   
Hardware: All   
OS: All   
Attachments:
Description Flags
Example of wrong behavior none

Description Ivan 2022-03-04 10:20:08 PST
Created attachment 453854 [details]
Example of wrong behavior

<!DOCTYPE html>
<html lang="en" dir="ltr">
  <head>
    <meta charset="utf-8">
    <title></title>
    <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
  </head>
  <body>
    <iframe  width="600" height="300" src=""></iframe>
    <script type="text/javascript">
      $(function() {
        var f = $('iframe')[0];
          wnd = f.contentWindow,
          doc = f.contentDocument;
        if(wnd.stop) {
          wnd.stop();
        }
        $(doc.head).append('<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.css">');
        $(doc.body).html('{<i class="fa fa-angle-left"></i><i class="fa fa-angle-right"></i>}');
      });
    </script>
  </body>
</html>

instead symbols Safari shows squares.

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/15.3 Safari/605.1.15
Comment 1 Radar WebKit Bug Importer 2022-03-04 16:50:51 PST
<rdar://problem/89841517>