[youtubei.js](../../../README.md) / [Helpers](../README.md) / observe

# Function: observe()

> **observe**\<`T`\>(`obj`): [`ObservedArray`](../type-aliases/ObservedArray.md)\<`T`\>

Creates a trap to intercept property access
and add utilities to an object.

## Type Parameters

• **T** *extends* [`YTNode`](../classes/YTNode.md)

## Parameters

• **obj**: `T`[]

## Returns

[`ObservedArray`](../type-aliases/ObservedArray.md)\<`T`\>

## Defined in

[src/parser/helpers.ts:394](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/parser/helpers.ts#L394)