Playwright Automation Testing with JavaScript – Master End-to-End Testing Skills

Variables (var, let, const)

Data types (string, number, boolean, null, undefined, object, symbol)

Type conversion & coercion

Operators (arithmetic, comparison, logical, assignment)

Template literals

if, else, else if

switch statements

Loops (for, while, do while, for...of, for...in)

Break and continue statements

Function declaration vs expression

Arrow functions

Default & rest parameters

Return values

Scope (global vs local)

Closures

Creating arrays & objects

Array methods (map, filter, reduce, forEach, find)

Object methods & destructuring

Spread & rest operators

JSON handling

String methods (slice, substring, replace, split, includes)

Template strings

Number methods & Math utilities

Date object basics

Formatting and manipulating dates

try, catch, finally

Throwing custom errors

ES6 imports/exports

CommonJS (require)

NPM modules

Callbacks

Promises

async/await

Event loop overview

Defining classes & constructors

Inheritance

Instance vs static methods

Encapsulation using closures

Prototype and prototype chain

What is Automation Testing?

Why Playwright over Selenium?

Advantages of Playwright

Installing Playwright via NPM (npm init playwright@latest)

Playwright Folder Structure

Playwright commands overview

Selecting elements (page.locator(), getByRole(), getByText(), getByTestId())

Handling Shadow DOM and nested elements

Best practices for locators

Playwright test structure (test.describe, test.beforeAll, test.afterAll, test.beforeEach, test.afterEach)

Assertions using Expect (toBeVisible, toHaveText, toHaveURL)

Handling text boxes, buttons, checkboxes, radio buttons

Handling dropdowns (custom and native)

Capturing screenshots, videos, and traces

Handling alerts & dialogs

Working with iframes

Handling multiple tabs/windows

File upload & download

Custom utility functions (helpers)

Reusable Playwright commands

Auto-waiting mechanisms

Explicit waits (page.waitForSelector, locator.waitFor)

Retry mechanism

Timeouts and overrides

Static & dynamic table handling

Extracting and validating table data

Writing reusable table utilities

What is a framework in automation?

Types of frameworks (Data Driven, Keyword Driven, Hybrid, BDD)

Installing cucumber-js

Writing feature files with Gherkin syntax (Given, When, Then)

Mapping step definitions to Playwright actions

Running BDD tests via npm scripts

Organizing feature files & step definitions

Tagging scenarios for selective runs

Report generation (Allure, HTML, or Mochawesome)

Introduction to API testing in Playwright

Using request fixture / APIRequestContext

Performing GET, POST, PUT, DELETE requests

Passing headers & authentication tokens

Validating response body, schema & status codes

Reusable API helper functions

API + UI integrated tests

What is CI/CD?

Running Playwright tests in Jenkins

Running Playwright tests in GitHub Actions

Generating and archiving test reports (HTML, Allure)

Initializing repository

Cloning & pushing Playwright project

Branching & merging strategies

Design a Playwright framework

Implement BDD using Cucumber

Include API + UI combined tests

Generate detailed reports

Execute in CI/CD pipeline