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| (Empty) |
| 1 <style> | |
| 2 .hidden { display: none; } | |
| 3 </style> | |
| 4 <script src="../resources/magnitude-perf.js"></script> | |
| 5 <body> | |
| 6 <div></div> | |
| 7 <script> | |
| 8 | |
| 9 function setupFunction(magnitude) | |
| 10 { | |
| 11 var html = '<table>'; | |
| 12 for (var i = 0; i < magnitude; ++i) | |
| 13 html += '<tr><td>A</td><td>B</td><td>C</td><td>D</td><td>E</td><td>F</td
></tr>\n'; | |
| 14 html += '</table>'; | |
| 15 document.querySelector('div').innerHTML = html; | |
| 16 } | |
| 17 | |
| 18 function forEachRow(what) | |
| 19 { | |
| 20 Array.prototype.forEach.call(document.querySelectorAll("tr"), what); | |
| 21 } | |
| 22 | |
| 23 function test(magnitude) | |
| 24 { | |
| 25 forEachRow(function(tr) { | |
| 26 tr.className = 'hidden'; | |
| 27 }); | |
| 28 document.body.offsetWidth; | |
| 29 forEachRow(function(tr) { | |
| 30 tr.className = ''; | |
| 31 }); | |
| 32 document.body.offsetWidth; | |
| 33 } | |
| 34 | |
| 35 Magnitude.description("Tests that hiding/showing of table rows is linear."); | |
| 36 Magnitude.initialExponent = 7; | |
| 37 Magnitude.numPoints = 6; // slow in absolute terms, so gets Slow around here | |
| 38 Magnitude.run(setupFunction, test, Magnitude.LINEAR); | |
| 39 document.querySelector('div').textContent = ''; | |
| 40 </script> | |
| 41 </body> | |
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