1<!DOCTYPE html> 2<body> 3<script> 4testRunner.dumpAsText(); 5var count = 100; 6var observer = new MutationObserver(function(){}); 7for (var i = 0; i < count; i++) { 8 var span = document.createElement('span'); 9 observer.observe(span, {attributes:true}); 10}; 11GCController.collect(); 12</script> 13<p>Number of leaked nodes reported by DRT should be less than 100</p> 14</body> 15