1<!doctype html> 2<html class="a"> 3 <head> 4 <title>element.getElementsByClassName(): adding an element</title> 5 <script src="resources/common.js"></script> 6 </head> 7 <body class="a"> 8 <p id="r">FAIL (script did not run)</p> 9 <script> 10 var collection = document.body.getElementsByClassName("a"), 11 ele = document.createElement("x-y-z") 12 ele.className = "a" 13 document.body.appendChild(ele) 14 t(collection, [ele]) 15 </script> 16 </body> 17</html> 18