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# Tick Configuration
This sample shows how to use different tick features to control how tick labels are shown on the X axis. These features include:
* Multi-line labels
* Filtering labels
* Changing the tick color
* Changing the tick alignment for the X axis
```js chart-editor
// <block:actions:2>
const actions = [
{
name: 'Alignment: start',
handler(chart) {
chart.options.scales.x.ticks.align = 'start';
chart.update();
}
},
{
name: 'Alignment: center (default)',
handler(chart) {
chart.options.scales.x.ticks.align = 'center';
chart.update();
}
},
{
name: 'Alignment: end',
handler(chart) {
chart.options.scales.x.ticks.align = 'end';
chart.update();
}
},
];
// </block:actions>
// <block:setup:1>
const DATA_COUNT = 12;
const NUMBER_CFG = {count: DATA_COUNT, min: 0, max: 100};
const data = {
labels: [['June', '2015'], 'July', 'August', 'September', 'October', 'November', 'December', ['January', '2016'], 'February', 'March', 'April', 'May'],
datasets: [
{
label: 'Dataset 1',
data: Utils.numbers(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.red,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.red, 0.5),
},
{
label: 'Dataset 2',
data: Utils.numbers(NUMBER_CFG),
fill: false,
borderColor: Utils.CHART_COLORS.blue,
backgroundColor: Utils.transparentize(Utils.CHART_COLORS.blue, 0.5),
}
]
};
// </block:setup>
// <block:config:0>
const config = {
type: 'line',
data: data,
options: {
responsive: true,
plugins: {
title: {
display: true,
text: 'Chart with Tick Configuration'
}
},
scales: {
x: {
ticks: {
// For a category axis, the val is the index so the lookup via getLabelForValue is needed
callback: function(val, index) {
// Hide every 2nd tick label
return index % 2 === 0 ? this.getLabelForValue(val) : '';
},
color: 'red',
}
}
}
},
};
// </block:config>
module.exports = {
actions: actions,
config: config,
};
```
## Docs
* [Line](../../charts/line.html)
* [Options](../../general/options.html)
* [Scriptable Options](../../general/options.html#scriptable-options)
* [Tick Context](../../general/options.html#tick)
* [Data structures (`labels`)](../../general/data-structures.html)
* [Axes Styling](../../axes/styling.html)
* [Tick Configuration](../../axes/styling.html#tick-configuration)
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