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Playwright

https://playwright.dev/

Playwright is an open-source Node.js library for automating browsers. Developed by Microsoft, Playwright provides a high-level API for automating the interaction of browsers such as Chrome, Firefox, and WebKit (Safari). It's designed to enable cross-browser automation and testing with a focus on reliability, speed, and the ability to perform a wide range of browser automation tasks.

Key Features:

  1. Cross-Browser Automation:

    • Playwright supports automation of Chromium, Firefox, and WebKit (Safari) browsers, allowing developers to write scripts that work seamlessly across multiple browsers.
  2. Headless and Headful Mode:

    • Playwright allows you to run browsers in headless mode (no visible UI) or headful mode (with a visible UI), providing flexibility for different use cases.
  3. Rich Browser Automation API:

    • Playwright offers a powerful API for automating browser interactions, including navigation, page manipulation, user input emulation, screenshots, and more.
  4. Parallel Execution:

    • Playwright is designed to run multiple browser instances in parallel, optimizing the execution of automated tests and tasks.
  5. Device Emulation:

    • Playwright allows you to emulate different devices, screen sizes, and network conditions, enabling comprehensive testing of web applications.
  6. Network Interception and Mocking:

    • Playwright provides features for intercepting and mocking network requests, allowing developers to test scenarios such as offline mode or network errors.
  7. Automated Screenshots and Videos:

    • Playwright supports capturing screenshots and recording videos of browser interactions, aiding in debugging and test result documentation.
  8. Browser Contexts and Isolation:

    • Playwright enables the creation of multiple browser contexts, providing isolation between different browser instances and facilitating parallel execution.

Example Playwright Script:

Here's a simple example of a Playwright script that opens a browser, navigates to a website, and takes a screenshot:

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

(async () => {
  const browser = await chromium.launch();
  const page = await browser.newPage();

  await page.goto('https://example.com');
  await page.screenshot({ path: 'example.png' });

  await browser.close();
})();

Resources:

Playwright is widely used for end-to-end testing, browser automation, and web scraping due to its flexibility, reliability, and cross-browser capabilities. It's a valuable tool for developers and QA engineers working on web applications across different browsers.

Released under the MIT License.