How to launch a browser in Playwright?

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IHUB Talent stands out as the best institute for Playwright Testing Training in Hyderabad, offering a comprehensive, hands-on learning experience that prepares you for a successful career in test automation. Playwright, a cutting-edge testing framework for web applications, has gained immense popularity for its ability to handle modern web apps with speed and reliability. Our training program ensures that students gain expertise in Playwright for automated testing using JavaScript, TypeScript, and Python.

The course is meticulously designed to cover all aspects of Playwright Testing, starting from the fundamentals to advanced concepts. Students will learn how to set up and use Playwright for end-to-end testing, explore browser automation, and work with advanced tools like Playwright Inspector. Practical training on integrating Playwright with CI/CD pipelines and various testing frameworks such as Mocha, Jest, and others ensures that students are well-prepared for real-world automation challenges.

In Playwright, you can locate elements using a variety of methods, similar to Selenium. Playwright supports several ways to find elements on a web page, including CSS selectors, XPath, and text-based selectors. Here’s an overview of the main techniques to locate elements in Playwright, with examples.

In Playwright, the method page .wait For Selector() plays an important role in waiting for an element to appear (or become visible) on the page before interacting with it.

One browser that Playwright supports is Google Chrome. Playwright is a modern automation framework designed to test and automate web applications across multiple browsers. It supports Chromium-based browsers, Firefox, and Web Kit, making it versatile for cross-browser testing.

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How to Launch a Browser in Playwright

Playwright is a modern automation library that supports multiple browsers like Chromium, Firefox, and WebKit. To launch a browser, you first need to install Playwright and then write a script to start the browser.

Step 1: Install Playwright

If you haven’t installed Playwright yet, run this command in your terminal:

bash

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npm install playwright

Step 2: Launch a Browser

Here’s a basic example in JavaScript to launch Chromium (the open-source part of Chrome):

javascript

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

(async () => {

  // Launch the browser

  const browser = await chromium.launch({ headless: false }); // headless:false opens browser UI

  

  // Create a new browser context (like a new browser profile)

  const context = await browser.newContext();

  

  // Create a new page (tab)

  const page = await context.newPage();

  

  // Go to a website

  await page.goto('https://www.example.com');

  

  // Your automation steps here...

  

  // Close the browser

  await browser.close();

})();

Notes:

headless: false means the browser window will be visible. Use headless: true to run without UI.

You can launch other browsers similarly using fire fox or web kit from Playwright.

Playwright manages browser versions automatically when installed.

Read More

Name one browser Playwright supports.

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