getElementsByClassName-03.htm (516B)
1 <!doctype html> 2 <html class="a"> 3 <head> 4 <title>document.getElementsByClassName(): changing classes</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 </head> 8 <body class="a"> 9 <div id="log"></div> 10 <script> 11 test(function() { 12 var collection = document.getElementsByClassName("a") 13 document.body.className = "b" 14 assert_array_equals(collection, [document.documentElement]) 15 }) 16 </script> 17 </body> 18 </html>