| OLD | NEW |
|---|
| (Empty) | |
| 1 <body> |
| 2 <style> |
| 3 .outer { |
| 4 position: relative; |
| 5 margin: 0.25px; |
| 6 padding: 0.25px; |
| 7 } |
| 8 .inner { |
| 9 width: 100px; |
| 10 height: 100px; |
| 11 background: red; |
| 12 } |
| 13 </style> |
| 14 <script src="../../js/resources/js-test-pre.js"></script> |
| 15 <div id="test"></div> <div id="console"></div> |
| 16 <script> |
| 17 |
| 18 var reportedPosition; |
| 19 var innerElement; |
| 20 var testElement = document.getElementById('test'); |
| 21 |
| 22 function setupFunction(magnitude) |
| 23 { |
| 24 testElement.innerHTML = ''; |
| 25 var element, parent = testElement; |
| 26 for (var i = 0; i < magnitude; i++) { |
| 27 element = document.createElement('div'); |
| 28 element.innerText = 'hello'; |
| 29 element.className = 'outer'; |
| 30 parent.appendChild(element); |
| 31 parent = element; |
| 32 } |
| 33 element = document.createElement('div'); |
| 34 element.className = 'inner'; |
| 35 element.innerText = 'inner'; |
| 36 parent.appendChild(element); |
| 37 element.addEventListener('mousemove', function(e) { |
| 38 reportedPosition = e.offsetX + ', ' + e.offsetY; |
| 39 }); |
| 40 element.addEventListener('click', function(e) { |
| 41 debug("i'm clicked"); |
| 42 }); |
| 43 innerElement = element; |
| 44 rect = innerElement.getBoundingClientRect(); |
| 45 window.scrollTo(rect.left - window.innerWidth / 2, rect.top - window.innerHe
ight / 2); |
| 46 } |
| 47 |
| 48 function test(iterations) |
| 49 { |
| 50 rect = innerElement.getBoundingClientRect(); |
| 51 target = {}; |
| 52 target.x = rect.left + (rect.width / 2); |
| 53 target.y = rect.top + (rect.height / 2); |
| 54 increment = 5; |
| 55 if (window.eventSender) { |
| 56 for (i = 0; i < iterations; ++i) { |
| 57 x = 0; |
| 58 y = 0; |
| 59 m = target.y / target.x; |
| 60 while (Math.abs(x - target.x) > increment) { |
| 61 x += increment; |
| 62 y = m * x; |
| 63 eventSender.mouseMoveTo(x, y); |
| 64 } |
| 65 eventSender.mouseMoveTo(target.x, target.y); |
| 66 } |
| 67 } |
| 68 } |
| 69 |
| 70 exponent = 8; |
| 71 setupFunction(Math.pow(2, exponent)); |
| 72 start = new Date().getTime(); |
| 73 test(1000); |
| 74 stop = new Date().getTime(); |
| 75 debug('Time elapsed: ' + (stop - start)); |
| 76 debug(reportedPosition); |
| 77 </script> |
| 78 </body> |
| OLD | NEW |
|---|
Chromium Code Reviews
