# renderProgress

re-emitted from the scatter family: a progressively painted chunk landed (`done` on the last).

Canonical: https://chart.syidax.com/docs/events/renderProgress/

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## Definition

Event name: `renderProgress`. Names are case-sensitive. Read the payload from `detail` on `CustomEvent<{ drawn: number; total: number; done: boolean }>`.

```javascript
chart.addEventListener('renderProgress', event => {
  console.log(event.detail); // { drawn: number; total: number; done: boolean }
});
```

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## Related charts

- [sy-scatter-chart](https://chart.syidax.com/docs/components/scatter.md#event-renderProgress)