ign:center;"></td> <td></td> <td>Returns the string representation of the tick value as it should be displayed on the chart. See <a href="/docs/3.9.1/axes/labelling.html#creating-custom-tick-formats">callback</a>.</td></tr> <tr><td><code>display</code></td> <td><code>boolean</code></td> <td style="text-align:center;"></td> <td><code>true</code></td> <td>If true, show tick labels.</td></tr> <tr><td><code>color</code></td> <td><a href="/docs/3.9.1/general/colors.html"><code>Color</code></a></td> <td style="te