| <!DOCTYPE html> |
| <html> |
| <head> |
| <script> |
| var i = 0; |
| function step() |
| { |
| i++; |
| requestAnimationFrame(step); |
| } |
| step(); |
| |
| window.onmessage = function(message) |
| { |
| var re = /report-throttle-(cross|same)/; |
| var match = re.exec(message.data); |
| |
| if (match) { |
| var frameId = match[1]; |
| if (window.internals) |
| parent.window.postMessage("throttled[" + frameId + "]: " + internals.isRequestAnimationFrameThrottled(), "*"); |
| } |
| } |
| |
| window.addEventListener("load", function() { |
| parent.window.postMessage("frameload", "*"); |
| }, false); |
| </script> |
| </head> |
| <body> |
| <div style="height: 100px; width: 100px; background: silver" onclick=""></div> |
| Child frame. |
| </body> |
| </html> |
