detect-passive-events

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detect-passive-events

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Detect if the browser supports passive event listeners

detect-passive-events 최신버젼 다운로드

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// repository documentation

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# Detect Passive Events

Detects if the browser supports passive event listeners. Tree-shakable and side-effect free. Also available as part of [`detect-it`][detectitrepo].

[Live detection test][livedetectiontest]

[![npm](https://img.shields.io/npm/dm/detect-passive-events?label=npm)](https://www.npmjs.com/package/detect-passive-events) [![npm bundle size](https://img.shields.io/bundlephobia/minzip/detect-passive-events?color=purple)](https://bundlephobia.com/result?p=detect-passive-events) ![npm type definitions](https://img.shields.io/npm/types/detect-passive-events?color=blue)

> Note that the code used in the detection is adapted from this [Passive Events Explainer][passiveexplainer].

### Using `detect-passive-events`

```
npm install --save detect-passive-events
```

```js
// supportsPassiveEvents is a boolean
import { supportsPassiveEvents } from 'detect-passive-events';

if (supportsPassiveEvents) {
  // passive events are supported by the browser
  document.addEventListener('scroll', handleScroll, { capture: false, passive: true });
} else {
  // passive events are not supported by the browser
  document.addEventListener('scroll', handleScroll, false);
}
```

### Or use the script directly in the browser

Optionally, instead using `npm install` you can the load the script directly in the browser. A minified UMD version is available from Unpkg for this purpose.

```html
<script src="https://unpkg.com/detect-passive-events@2/dist/detect-passive-events.umd.production.js"></script>
```

```js
// it will be available on the window as DetectPassiveEvents
if (window.DetectPassiveEvents.supportsPassiveEvents) {
  document.addEventListener('scroll', handleScroll, { capture: false, passive: true });
} else {
  document.addEventListener('scroll', handleScroll, false);
}
```

[livedetectiontest]: https://detect-it.rafgraph.dev
[passiveexplainer]: https://github.com/WICG/EventListenerOptions/blob/gh-pages/explainer.md
[detectitrepo]: https://github.com/rafgraph/detect-it

detect-passive-events

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detect-passive-events

detect-passive-events 최신버젼 다운로드

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