Atlas › 13 Browser Automation with Playwright › Page Object Model☰ Read as one page
Page Object Model
9.1OverviewThe Page Object Model (POM) is the most important design pattern in browser test automation. It separates "what to test" from "how to…9.2The Problem POM SolvesWithout POM, locators and interactions are scattered across test files:9.3POM in Playwright (TypeScript)If the email field changes from <input> with a label to a custom component, you update one line in LoginPage — zero test files change.9.4POM PrinciplesEach page or significant UI section gets its own class. Do not create one giant AppPage class.9.5POM in Playwright (Python)9.6Component ObjectsReusable UI components that appear across multiple pages:9.7Key Takeaways- POM separates locators and interactions (page objects) from verification (tests) - One class per page; locators in the constructor…