|  | <!DOCTYPE html> | 
|  | <body> | 
|  | <script src="../resources/runner.js"></script> | 
|  | <script> | 
|  | var spec = PerfTestRunner.loadFile("resources/html5.html"); | 
|  |  | 
|  | PerfTestRunner.measureTime({ | 
|  | description: "Measures performance of the HTML parser.", | 
|  | run: function() { | 
|  | var iframe = document.createElement("iframe"); | 
|  | iframe.style.display = "none";  // Prevent creation of the rendering tree, so we only test HTML parsing. | 
|  | iframe.sandbox = 'allow-same-origin';  // Prevent external script loads which could cause write() to return before completing the parse. | 
|  | document.body.appendChild(iframe); | 
|  | iframe.contentDocument.open(); | 
|  | iframe.contentDocument.write(spec); | 
|  | iframe.contentDocument.close(); | 
|  | document.body.removeChild(iframe); | 
|  | } | 
|  | }); | 
|  |  | 
|  | </script> | 
|  | </body> |