1 <!DOCTYPE html> 2 <body> 3 <style> 4 textarea:valid { 5 background-color: lime; 6 } 7 textarea:invalid { 8 background-color: red; 9 } 10 </style> 11 <script src="../resources/runner.js"></script> 12 <textarea maxlength=2147483647 id="container"></textarea> 13 <script> 14 var container = document.getElementById('container'); 15 var nodes = []; 16 var childCount = 1000; 17 for (var i = 0; i < childCount; ++i) 18 nodes.push(document.createTextNode('A quick brown fox jumps over the lazy dog.\n')); 19 PerfTestRunner.measureRunsPerSecond({run: function() { 20 for (var i = 0; i < childCount; ++i) 21 container.appendChild(nodes[i]); 22 container.innerHTML = ''; 23 }}); 24 </script> 25 </body> 26
