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@zeix/ui-element

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UIElement - a HTML-first library for reactive Web Components

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[**@zeix/ui-element**](../README.md) *** [@zeix/ui-element](../globals.md) / on # Function: on() > **on**\<`K`, `E`\>(`type`, `listener`, `options`): [`Effect`](../type-aliases/Effect.md)\<[`ComponentProps`](../type-aliases/ComponentProps.md), `E`\> Defined in: [src/lib/effects.ts:646](https://github.com/zeixcom/ui-element/blob/297c0e8e040b3880ad85a2bc873523a8086f09a3/src/lib/effects.ts#L646) Effect for attaching an event listener to an element. Provides proper cleanup when the effect is disposed. ## Type Parameters ### K `K` *extends* `string` ### E `E` *extends* `HTMLElement` ## Parameters ### type `K` Event type ### listener (`event`) => `void` Event listener function ### options Event listener options `boolean` | `AddEventListenerOptions` ## Returns [`Effect`](../type-aliases/Effect.md)\<[`ComponentProps`](../type-aliases/ComponentProps.md), `E`\> Effect function that manages the event listener ## Since 0.12.0