> ## Documentation Index
> Fetch the complete documentation index at: https://docs.usechar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# isDisplayMode

> Generated API reference for isDisplayMode.

# Function: isDisplayMode()

> **isDisplayMode**(`value`): `value is CharDisplayMode`

Runtime guard for Char display mode values.

## Parameters

### value

Raw value from host attributes, events, or external input.

`string` | `null` | `undefined`

## Returns

`value is CharDisplayMode`

`true` when the value is one of `inline`, `fullscreen`, or `pip`.