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playwright

A high-level API to automate web browsers

  • 1.50.0-alpha-2024-12-06
  • Source
  • npm
  • Socket score

Version published
Weekly downloads
11M
increased by7.4%
Maintainers
4
Weekly downloads
 
Created

What is playwright?

Playwright is a Node.js library developed by Microsoft that allows developers to automate browser actions for testing and scraping purposes. It supports multiple browsers, including Chromium, Firefox, and WebKit, and provides a high-level API to control headless or full browsers over the DevTools Protocol.

What are playwright's main functionalities?

Browser Automation

Automate browser actions such as opening a page, clicking elements, and navigating through websites.

const { chromium } = require('playwright');

(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();
  await page.goto('https://example.com');
  // other actions...
  await browser.close();
})();

Web Scraping

Extract data from web pages by selecting elements and retrieving their content.

const { firefox } = require('playwright');

(async () => {
  const browser = await firefox.launch();
  const page = await browser.newPage();
  await page.goto('https://example.com');
  const data = await page.textContent('.some-element');
  console.log(data);
  await browser.close();
})();

Automated Testing

Write automated tests for web applications, including assertions to validate the behavior of the application.

const { webkit } = require('playwright');
const { expect } = require('@playwright/test');

(async () => {
  const browser = await webkit.launch();
  const page = await browser.newPage();
  await page.goto('https://example.com');
  const title = await page.title();
  expect(title).toBe('Example Domain');
  await browser.close();
})();

Cross-Browser Testing

Test web applications across multiple browsers to ensure compatibility and consistent behavior.

const { chromium, firefox, webkit } = require('playwright');

(async () => {
  for (const browserType of [chromium, firefox, webkit]) {
    const browser = await browserType.launch();
    const page = await browser.newPage();
    await page.goto('https://example.com');
    // Perform tests across different browsers
    await browser.close();
  }
})();

Mobile Emulation

Emulate mobile devices to test responsive designs and touch interactions.

const { chromium, devices } = require('playwright');
const iPhone11 = devices['iPhone 11 Pro'];

(async () => {
  const browser = await chromium.launch();
  const context = await browser.newContext({
    ...iPhone11
  });
  const page = await context.newPage();
  await page.goto('https://example.com');
  // Emulate mobile device actions and layout
  await browser.close();
})();

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Package last updated on 06 Dec 2024

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