   <br>
        You can also use a function format for each label. The function accepts as arguments the date, scale and step in that order, and expects to return a string for the label.

        <pre class="prettyprint lang-js">function format({
  minorLabels: Function(date: Date, scale: Number, step: Number),
  majorLabels: Function(date: Date, scale: Number, step: Number)
}</pre>
      </td>
    </tr>

	<tr class='toggle collapsible' onclick="toggleTable('optionTable','groupEditable', this);">
      <td>