Quelle  README.md   Sprache: unbekannt

# Puppeteer

[](https://github.com/puppeteer/puppeteer/actions/workflows/ci.yml)
[](https://npmjs.org/package/puppeteer)

<img src="https://user-images.githubusercontent.com/10379601/29446482-04f7036a-841f-11e7-9872-91d1fc2ea683.png" height="200" align="right"/>

> Puppeteer is a JavaScript library which provides a high-level API to control
> Chrome or Firefox over the
> [DevTools Protocol](https://chromedevtools.github.io/devtools-protocol/) or [WebDriver BiDi](https://pptr.dev/webdriver-bidi).
> Puppeteer runs in the headless (no visible UI) by default

## [Get started](https://pptr.dev/docs) | [API](https://pptr.dev/api) | [FAQ](https://pptr.dev/faq) | [Contributing](https://pptr.dev/contributing) | [Troubleshooting](https://pptr.dev/troubleshooting)

## Installation

```bash npm2yarn
npm i puppeteer # Downloads compatible Chrome during installation.
npm i puppeteer-core # Alternatively, install as a library, without downloading Chrome.
```

## Example

```ts
import puppeteer from 'puppeteer';
// Or import puppeteer from 'puppeteer-core';

// Launch the browser and open a new blank page
const browser = await puppeteer.launch();
const page = await browser.newPage();

// Navigate the page to a URL.
await page.goto('https://developer.chrome.com/');

// Set screen size.
await page.setViewport({width: 1080, height: 1024});

// Type into search box.
await page.locator('.devsite-search-field').fill('automate beyond recorder');

// Wait and click on first result.
await page.locator('.devsite-result-item-link').click();

// Locate the full title with a unique string.
const textSelector = await page
  .locator('text/Customize and automate')
  .waitHandle();
const fullTitle = await textSelector?.evaluate(el => el.textContent);

// Print the full title.
console.log('The title of this blog post is "%s".', fullTitle);

await browser.close();
```