body><tr><th>#</th><th>Browser</th><th>Math.floor()</th><th>Bitwise double NOT ~~</th></tr>
              <tr><td>#1</td><td>Firefox 7.0.1</td><td>42ms</td><td>29ms</td></tr>
              <tr><td>#2</td><td>Firefox 7.0.1</td><td>44ms</td><td>28ms</td></tr>
              <tr><td>#3</td><td>Chrome 15</td><td>63ms</td><td>64ms</td></tr>
              <tr><td>#4</td><td>Chrome 15</td><td>63ms</td><td>68ms</td></tr>
              <tr><td>#5</td><td>IE8</td><td>265ms</td><td>192ms</td></tr>
              <tr><td