GuidesAdvanced★ 4.8 (18 reviews)

Playwright Browser Automation Guide

Name: Playwright Browser Automation Guide
Rating: 4.8 (18 reviews)
Author: Mike Rodriguez

Complete guide to automating browser tasks with Playwright, including login flows, form filling, and data extraction.

By Mike Rodriguez•234 downloads•Added 1/5/2025

Overview

Master browser automation with this comprehensive Playwright guide. Learn how to automate repetitive web tasks, test web applications, and extract data from dynamic websites.

Includes real-world examples for automating login flows, filling forms, taking screenshots, and handling complex user interactions.

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Prerequisites

Node.js 18 or higher
Basic JavaScript/TypeScript knowledge
Understanding of async/await
Familiarity with CSS selectors

Dependencies

@playwright/test@^1.40.0
typescript@^5.0.0
dotenv@^16.0.0

Installation

Clone the repository or download the guide
Install Node.js if not already installed
Run: npm install @playwright/test
Install browsers: npx playwright install
Copy example scripts from the guide
Configure your .env file with credentials

Usage Examples

Automated Login Flow

typescript

import { test, expect } from '@playwright/test';

test('automated login and data extraction', async ({ page }) => {
  // Navigate to login page
  await page.goto('https://example.com/login');
  
  // Fill login form
  await page.fill('input[name="email"]', process.env.EMAIL);
  await page.fill('input[name="password"]', process.env.PASSWORD);
  await page.click('button[type="submit"]');
  
  // Wait for dashboard
  await page.waitForURL('**/dashboard');
  
  // Extract data
  const data = await page.evaluate(() => {
    return Array.from(document.querySelectorAll('.data-row')).map(row => ({
      title: row.querySelector('.title')?.textContent,
      value: row.querySelector('.value')?.textContent,
    }));
  });
  
  console.log('Extracted data:', data);
});

Form Automation

typescript

import { test } from '@playwright/test';

test('fill complex form', async ({ page }) => {
  await page.goto('https://example.com/form');
  
  // Text inputs
  await page.fill('#firstName', 'John');
  await page.fill('#lastName', 'Doe');
  
  // Select dropdown
  await page.selectOption('#country', 'US');
  
  // Checkbox
  await page.check('#agreeToTerms');
  
  // Radio button
  await page.check('input[name="plan"][value="premium"]');
  
  // File upload
  await page.setInputFiles('#document', './files/resume.pdf');
  
  // Submit
  await page.click('button[type="submit"]');
  
  // Wait for success message
  await page.waitForSelector('.success-message');
});