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url: /api/formats/interactions/src/functions/initTreeBrowser.md
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[pantoken-root](../../../../index.md) / [formats/interactions/src](../index.md) / initTreeBrowser

# Function: initTreeBrowser()

> **initTreeBrowser**(`host`): [`TreeBrowserHandle`](../interfaces/TreeBrowserHandle.md)

Wire ARIA-tree navigation and expansion, with single selection opt-in via `aria-selected`.

## Parameters

### host

`HTMLElement`

## Returns

[`TreeBrowserHandle`](../interfaces/TreeBrowserHandle.md)