attr-script-fetchpriority.html (1518B)
1 <!DOCTYPE html> 2 <title>Fetch Priority - Script element</title> 3 <meta name="author" title="Patrick Meenan" href="mailto:patmeenan@gmail.com"> 4 <script src="/resources/testharness.js"></script> 5 <script src="/resources/testharnessreport.js"></script> 6 7 <script id=script1 src="resources/script.js" fetchpriority=high></script> 8 <script id=script2 src="resources/script.js" fetchpriority=low></script> 9 <script id=script3 src="resources/script.js" fetchpriority=auto></script> 10 <script id=script4 src="resources/script.js" fetchpriority=xyz></script> 11 <script id=script5 src="resources/script.js"></script> 12 13 <script> 14 test(() => { 15 assert_equals(script1.fetchPriority, "high", "high fetchPriority is a valid IDL value on the script element"); 16 assert_equals(script2.fetchPriority, "low", "low fetchPriority is a valid IDL value on the script element"); 17 assert_equals(script3.fetchPriority, "auto", "auto fetchPriority is a valid IDL value on the script element"); 18 assert_equals(script4.fetchPriority, "auto", "invalid fetchPriority reflects as 'auto' IDL attribute on the script element"); 19 assert_equals(script5.fetchPriority, "auto", "missing fetchPriority reflects as 'auto' IDL attribute on the script element"); 20 }, "fetchpriority attribute on <script> elements should reflect valid IDL values"); 21 22 test(() => { 23 const script = document.createElement("script"); 24 assert_equals(script.fetchPriority, "auto"); 25 }, "default fetchpriority attribute on <script> elements should be 'auto'"); 26 </script>