</strong> (<em>string</em>) &#8211; a particular marked point</li>
<li><strong>$decimals</strong> (<em>int</em>) &#8211; number of decimal places for precision</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first">Elapsed time</p>
</td>
</tr>
<tr class="field-odd field"><th class="field-name">Return type:</th><td class="field-body"><p class="first last">string</p>
</td>
</tr>
</tbody>
</table>
<p>Calculates and returns the time differ