1 <!DOCTYPE html> 2 <html> 3 <head> 4 <script type="text/javascript" src="../resources/runner.js"></script> 5 </head> 6 <body> 7 8 <div id="wrapper"> 9 <div id="host"></div> 10 </div> 11 12 <script> 13 var numDivsInHost = 10; 14 var nLoops = 3000; 15 16 function setup() 17 { 18 var nDivs = numDivsInHost; 19 20 for (var i = 0; i < nDivs; ++i) { 21 var div = document.createElement('div'); 22 div.appendChild(document.createTextNode('div' + i)); 23 host.appendChild(div); 24 } 25 26 var content = document.createElement('content'); 27 var shadowRoot = host.webkitCreateShadowRoot(); 28 shadowRoot.appendChild(content); 29 } 30 31 function run() 32 { 33 var host = document.getElementById('host'); 34 var nLoops = window.nLoops; 35 36 var div = document.createElement('div'); 37 for (var i = 0; i < nLoops; ++i) { 38 host.appendChild(div); 39 host.removeChild(div); 40 host.offsetLeft; 41 } 42 } 43 44 function done() 45 { 46 wrapper.innerHTML = ''; 47 } 48 49 50 setup(); 51 52 PerfTestRunner.measureTime({ 53 description: "Measure Distribution and Layout time (with a few host children)", 54 run: run, 55 done: done 56 }); 57 </script> 58 </body> 59 </html> 60
