# neckWidth

Funnel neck width as a fraction of the full width (funnel only).

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

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## Definition

| Item | Value |
| --- | --- |
| JavaScript property | `neckWidth` |
| HTML attribute | `neck-width` |
| Type | `number` |
| Default | `undefined` |

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

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## Configuration example

```javascript
// Register sy-funnel-chart and create the element before configuring it.
chart.neckWidth = 0;
```

- [Pyramid · Complete examples and API](https://chart.syidax.com/docs/components/pyramid.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-funnel-chart](https://chart.syidax.com/docs/components/funnel.md#property-neckWidth)
- [sy-funnel-chart](https://chart.syidax.com/docs/components/pyramid.md#property-neckWidth)
