| <!DOCTYPE html> |
| <meta name="viewport" content="width=device-width, user-scalable=no"> |
| <link rel="stylesheet" type="text/css" href="resources/tablet.css"> |
| <link rel="stylesheet" type="text/css" href="resources/transition.css"> |
| <script src="resources/perf_test_helper.js"></script> |
| |
| <container id="container"></container> |
| |
| <script> |
| var N = PerfTestHelper.getN(1000); |
| var duration = 1000; |
| var style = null; |
| var keyframe = 1; |
| var keyframeValues = [0, 1] |
| |
| for (var i = 0; i < N; i++) { |
| container.appendChild(document.createElement('target')); |
| } |
| |
| function startAllTransitions() { |
| keyframe ^= 1; |
| if (style) { |
| style.remove(); |
| } |
| style = document.createElement('style'); |
| style.textContent = 'target { opacity: ' + keyframeValues[keyframe] + '; }'; |
| container.appendChild(style); |
| } |
| |
| requestAnimationFrame(startAllTransitions); |
| setInterval(startAllTransitions, duration); |
| |
| PerfTestHelper.signalReady(); |
| </script> |
