1<!DOCTYPE html> 2<html> 3<body> 4<script src="../resources/runner.js"></script> 5<script> 6 7PerfTestRunner.prepareToMeasureValuesAsync({ 8 unit: 'ms', 9 done: function () { 10 var iframe = document.querySelector('iframe'); 11 iframe.parentNode.removeChild(iframe); 12 } 13}); 14 15function runTest() { 16 var iframe = document.querySelector('iframe'); 17 iframe.contentWindow.getSelection().removeAllRanges(); 18 iframe.contentDocument.body.offsetTop; 19 20 setTimeout(function () { 21 var startTime = PerfTestRunner.now(); 22 iframe.contentDocument.execCommand('SelectAll'); 23 iframe.contentDocument.body.offsetTop; 24 setTimeout(function () { 25 PerfTestRunner.measureValueAsync(PerfTestRunner.now() - startTime); 26 PerfTestRunner.gc(); 27 setTimeout(runTest, 0); 28 }, 0); 29 }, 0); 30} 31 32</script> 33<iframe src="../Parser/resources/html5.html" onload="runTest()" width="800" height="600"> 34</body> 35</html> 36