Puppeteer


> Puppeteer is a Node.js library which provides a high-level API to control
> Chrome or Firefox over the
> DevTools Protocol or WebDriver BiDi.
> Puppeteer runs in the headless (no visible UI) by default
> but can be configured to run in a visible ("headful") browser.

Get started | API | FAQ | Contributing | 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.type('.devsite-search-field', 'automate beyond recorder');

// Wait and click on first result.
const searchResultSelector = '.devsite-result-item-link';
await page.waitForSelector(searchResultSelector);
await page.click(searchResultSelector);

// Locate the full title with a unique string.
const textSelector = await page.waitForSelector('text/Customize and automate');
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();
``