Playwright Example (JavaScript):

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

test('Login test', async ({ page }) => {
  // Navigate to login page
  await page.goto('https://example.com/login');

  // Fill login form
  await page.fill('#username', 'tester');
  await page.fill('#password', 'password123');

  // Click login button
  await page.click('#login-btn');

  // Wait for navigation
  await page.waitForURL('**/dashboard');

  // Verify login success
  const title = await page.textContent('h1');
  await expect(title).toContain('Dashboard');

  // Take screenshot
  await page.screenshot({ path: 'login-success.png' });
});

Key Features:
✅ Auto-waiting for elements
✅ Built-in assertions
✅ Cross-browser support
✅ Screenshot and video recording
✅ Network interception
✅ Mobile emulation

Why Companies Love Playwright:

1. Modern Architecture
   - Auto-waiting (no flaky tests)
   - Built-in test runner
   - Excellent debugging tools

2. Cross-Browser Support
   - Chromium, Firefox, WebKit
   - Same API for all browsers
   - Consistent results

3. Developer Experience
   - Great documentation
   - VS Code integration
   - Trace viewer
   - Video recording

4. Features for Modern Apps
   - Single-page apps (SPA) support
   - Network mocking
   - Geolocation testing
   - Mobile device emulation

Companies Using Playwright:
✅ Microsoft
✅ Google
✅ Amazon
✅ Netflix
✅ Stripe
✅ Slack
✅ GitLab

Postman API Testing Example:

// Get User API Test
pm.test("Get user - status code 200", function () {
    pm.response.to.have.status(200);
});

pm.test("Get user - response has user data", function () {
    const jsonData = pm.response.json();
    pm.expect(jsonData).to.have.property('id');
    pm.expect(jsonData).to.have.property('name');
    pm.expect(jsonData).to.have.property('email');
});

pm.test("Get user - data types are correct", function () {
    const jsonData = pm.response.json();
    pm.expect(typeof jsonData.id).to.eql('number');
    pm.expect(typeof jsonData.name).to.eql('string');
    pm.expect(jsonData.email).to.include('@');
});

// Create User API Test
pm.test("Create user - status code 201", function () {
    pm.response.to.have.status(201);
});

pm.test("Create user - response returns created user", function () {
    const jsonData = pm.response.json();
    pm.expect(jsonData).to.have.property('id');
    pm.expect(jsonData.name).to.eql('John Doe');
});

Key Features:
✅ User-friendly interface
✅ Pre-built request templates
✅ Environment variables
✅ Test automation
✅ API documentation generation

Why Companies Love Postman:

1. Ease of Use
   - No coding required for basic tests
   - Intuitive interface
   - Quick to get started

2. Team Collaboration
   - Shared collections
   - Version control integration
   - Team workspaces

3. Comprehensive API Testing
   - REST and GraphQL support
   - Authorization (OAuth, API keys)
   - Request/response validation
   - Mock servers

4. Automation Ready
   - Newman (CLI runner)
   - CI/CD integration
   - Collection runner
   - Scheduled runs

Companies Using Postman:
✅ Google
✅ Microsoft
✅ Amazon
✅ Facebook
✅ Stripe
✅ Shopify
✅ Uber

Playwright vs Postman: At a Glance

Playwright:
🎯 Type: Browser Automation Framework
🌐 Focus: Web UI & E2E Testing
📚 Language: JavaScript/TypeScript
📈 Learning Curve: Moderate
🏢 Best For: UI testing, E2E testing
💼 Roles: Automation Engineer, SDET

Postman:
🎯 Type: API Testing Tool
🔌 Focus: REST & GraphQL APIs
📚 Language: JavaScript (optional)
📈 Learning Curve: Easy → Moderate
🏢 Best For: API testing, API development
💼 Roles: API Tester, QA Engineer

Which One Is Right for You?
- Want to test web UIs? → Playwright
- Want to test APIs? → Postman
- Want both? → Learn both!

How to Decide: Playwright or Postman?

Ask Yourself These Questions:

1. Do you enjoy testing user interfaces?
   ✅ Yes → Playwright
   ❌ No → Consider Postman

2. Do you prefer testing APIs?
   ✅ Yes → Postman
   ❌ No → Consider Playwright

3. Are you comfortable with coding?
   ✅ Yes → Playwright
   🤔 Not yet → Postman (easier to start)

4. What kind of problems do you like solving?
   🖥️ "Is the UI working correctly?" → Playwright
   🔌 "Is the API returning correct data?" → Postman

5. What career excites me?
   🎯 Automation Testing → Playwright
   🌐 API Testing → Postman

💡 Tip: Both are great skills to have!
Start with one and add the other later.

Decision Flow: Playwright or Postman?

Start Here:
  ↓
Are you interested in testing user interfaces?
  ↓
  ├─── YES ───→ Do you enjoy coding with JavaScript?
  │               ↓
  │               └─── YES ───→ 🎯 Choose Playwright
  │               │
  │               └─── NO ───→ 🤔 Consider Postman
  │
  └─── NO ───→ Do you enjoy testing APIs?
                  ↓
                  └─── YES ───→ 🎯 Choose Postman
                  │
                  └─── NO ───→ 🤔 Still unsure? Try both!

Quick Personality Test:
- "I enjoy automating browser actions." → Playwright
- "I enjoy testing API endpoints." → Postman
- "I enjoy both." → Learn both!

Can You Learn Both Playwright and Postman?

YES — Many professionals learn both!

Why Learn Both?
✅ Become a well-rounded tester
✅ Combine UI + API testing skills
✅ More career opportunities
✅ Stand out in the job market

How to Learn Both:
Step 1: Pick one to start (your primary interest)
Step 2: Spend 2-3 months mastering it
Step 3: Start learning the other
Step 4: Find projects that combine both

Example Careers with Both Skills:
- SDET (UI + API automation)
- Senior QA Engineer
- Test Lead
- Quality Architect

💡 Tip: Start with the one that excites you more.
You can always learn the other later!

Playwright Career Path:

Entry Level:
🖥️ Automation Test Engineer
- ₹4-8 LPA
- Write and run automation tests
- Use Playwright for UI testing
- Report bugs and issues

Mid Level:
🎯 SDET (Software Development Engineer in Test)
- ₹8-16 LPA
- Build automation frameworks
- Integrate with CI/CD
- Mentor junior engineers

Senior Level:
🚀 Senior Automation Engineer / Lead
- ₹14-22 LPA
- Drive test strategy
- Lead automation teams
- Design complex frameworks

Job Market Statistics:
✅ Playwright usage grew 200% in 2025
✅ 60% of companies migrating from Selenium
✅ High demand for Playwright skills

Top Companies Using Playwright:
- Microsoft
- Google
- Amazon
- Netflix
- Stripe

Postman Career Path:

Entry Level:
🔌 API Tester
- ₹4-7 LPA
- Test API endpoints
- Create collections
- Validate responses

Mid Level:
🌐 QA Engineer (API)
- ₹7-14 LPA
- Build API test suites
- Automate with Newman
- API documentation

Senior Level:
🚀 Senior API Tester / Test Lead
- ₹12-18 LPA
- Lead API testing strategy
- Design test frameworks
- Mentor junior testers

Job Market Statistics:
✅ Postman used by 20M+ developers
✅ 80% of companies use Postman
✅ API testing jobs growing 35% annually

Top Companies Using Postman:
- Google
- Microsoft
- Amazon
- Stripe
- Shopify
- Uber

Playwright Learning Roadmap (2-3 months):

Week 1-2: JavaScript Fundamentals
- ES6+ (arrow functions, classes, modules)
- Promises and async/await
- Array methods (map, filter, reduce)
- DOM basics

Week 3-4: Playwright Basics
- Installation and setup
- Locators and selectors
- Basic interactions (click, fill, navigate)
- Assertions and expectations

Week 5-6: Advanced Playwright
- Network interception
- Mobile emulation
- Screenshots and videos
- Page Object Model

Week 7-8: Portfolio & Projects
- Build 3-5 test suites
- Create a portfolio
- CI/CD integration (GitHub Actions)
- Apply for entry-level roles

Best Resources:
- Playwright Documentation
- YouTube tutorials
- Playwright Codegen
- Uncodemy Playwright Course

Postman Learning Roadmap (2-3 months):

Week 1-2: API Basics
- HTTP methods (GET, POST, PUT, DELETE)
- RESTful APIs
- Status codes
- Authentication (API keys, OAuth)

Week 3-4: Postman Basics
- Installation and setup
- Sending requests
- Creating collections
- Using environments

Week 5-6: Advanced Postman
- Writing tests (JavaScript)
- Data-driven testing (CSV/JSON)
- Newman (CLI runner)
- Mock servers

Week 7-8: Portfolio & Projects
- Build 3-5 API test suites
- Create a portfolio
- CI/CD integration
- Apply for entry-level roles

Best Resources:
- Postman Documentation
- YouTube tutorials
- Postman Learning Center
- Uncodemy Postman Course