# themeChanged

Emitted when the Grid theme changes. Check it alongside the surrounding app theme.

Canonical: https://grid.syidax.com/docs/events/themeChanged/

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## What does this API do?

Emitted when the Grid theme changes. Check it alongside the surrounding app theme.

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## Exact input and result types

```typescript
themeChanged: GridThemeChangedDetail
```

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## Usage flow

Subscribe with grid.addEventListener('themeChanged', handler). The result is in event.detail, and event names are case-sensitive. Remove subscriptions when disposing of the view.

```javascript
const controller = new AbortController();
grid.addEventListener('themeChanged', event => {
  console.log(event.detail);
}, { signal: controller.signal });
// On view disposal: controller.abort();
```

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## Read related types

- [GridThemeChangedDetail](https://grid.syidax.com/docs/types/GridThemeChangedDetail.md)

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## Feature explanations and examples

- [Themes for your app](https://grid.syidax.com/docs/guides/theming.md) — Grid themes coordinate backgrounds, lines, text, and selection states inside the table. They define the table's reading environment without replacing the page background.