# yAxis

Configure the vertical axis range, ticks, labels, and direction. Use consistent units for comparisons, and consider a zero baseline when comparing bar lengths.

Canonical: https://chart.syidax.com/docs/options/yAxis/

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## Definition

| Item | Value |
| --- | --- |
| JavaScript property | `yAxis` |
| HTML attribute | Pass objects, arrays, and callbacks as JavaScript properties |
| Type | `CartesianAxisInput` |
| Default | `undefined` |
| Literals in the type | `auto`, `off` |

undefined means this property was not explicitly set. The effective value may depend on the chart type and other settings.

- [CartesianAxisInput](https://chart.syidax.com/docs/types/CartesianAxisInput.md) — Type definition

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## Configuration example

```javascript
// Register sy-line-chart and create the element before configuring it.
chart.yAxis = {
  "kind": "linear",
  "min": 0
};
```

- [Line · Complete examples and API](https://chart.syidax.com/docs/components/line.md)

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## Related documentation

A property with the same name may have different types and defaults across charts. When using a direct tag, follow that chart's documentation below.

- [Shared facade and direct tags](https://chart.syidax.com/docs/concepts.md)
- [sy-line-chart](https://chart.syidax.com/docs/components/line.md#property-yAxis)
- [sy-area-chart](https://chart.syidax.com/docs/components/area.md#property-yAxis)
- [sy-column-chart](https://chart.syidax.com/docs/components/column.md#property-yAxis)
- [sy-bar-chart](https://chart.syidax.com/docs/components/bar.md#property-yAxis)
- [sy-scatter-chart](https://chart.syidax.com/docs/components/scatter.md#property-yAxis)
- [sy-bubble-chart](https://chart.syidax.com/docs/components/bubble.md#property-yAxis)
- [sy-lollipop-chart](https://chart.syidax.com/docs/components/lollipop.md#property-yAxis)
- [sy-dumbbell-chart](https://chart.syidax.com/docs/components/dumbbell.md#property-yAxis)
- [sy-variwide-chart](https://chart.syidax.com/docs/components/variwide.md#property-yAxis)
- [sy-waterfall-chart](https://chart.syidax.com/docs/components/waterfall.md#property-yAxis)
- [sy-pareto-chart](https://chart.syidax.com/docs/components/pareto.md#property-yAxis)
- [sy-histogram-chart](https://chart.syidax.com/docs/components/histogram.md#property-yAxis)
- [sy-box-plot-chart](https://chart.syidax.com/docs/components/box-plot.md#property-yAxis)
- [sy-error-bar-chart](https://chart.syidax.com/docs/components/error-bar.md#property-yAxis)
- [sy-heatmap](https://chart.syidax.com/docs/components/heatmap.md#property-yAxis)
- [sy-density-map](https://chart.syidax.com/docs/components/density-map.md#property-yAxis)
- [sy-spectrogram](https://chart.syidax.com/docs/components/spectrogram.md#property-yAxis)
- [sy-pictorial-chart](https://chart.syidax.com/docs/components/pictorial.md#property-yAxis)
- [sy-candlestick-chart](https://chart.syidax.com/docs/components/candlestick.md#property-yAxis)
- [sy-ohlc-chart](https://chart.syidax.com/docs/components/ohlc.md#property-yAxis)