Test script with charset. You should see 44 and degree symbol without any garbage:
<div id="testdiv1"></div>
Test link rel=stylesheet with charset. You should see 44 and degree symbol without any garbage:
<div id="testdiv2"></div>
<script type='text/javascript' src='this-does-not-need-to-exist.js'></script>
<script type='text/javascript' src='resources/utf-8.js' charset='utf-8'></script>
<link rel='stylesheet' href='resources/utf-8.css' charset='utf-8'>