
Explore how JavaScript powers website development and UI and mobile automation with Playwright and detox, and learn variables, print statements, conditionals, loops, and exception handling.
Configure Mac for JavaScript development by installing Visual Studio Code and Node.js with npm, then set up the editor and optionally use GitHub Copilot for coding.
Configure Node.js and Visual Studio Code on Windows by installing the Node.js MSI and VS Code, then open a js basics folder in VS Code to start JavaScript.
Install and sign in to the GitHub Copilot extension in Visual Studio Code to use the AI pair programmer for writing code and solving script issues.
Write a basic JavaScript program that prints messages to the console with console.log, using Hello world, and run it via terminal with node or with the code runner.
Define variables in JavaScript and understand memory locations used to store values. Compare var and let scope, and use comments and meaningful names to document code and manage values.
Print and observe variables by using console.log after declarations, print the emp id for visibility, and verify the output in the console, noting copilot suggestions.
Learn how constants differ from variables in JavaScript with an example where a constant's value cannot be changed, such as an employee location Hyderabad, and where reassignment triggers an error.
Explore primitive and reference data types in JavaScript, including strings, numbers, booleans, null, undefined, NaN, and Infinity. Use console.log examples and type checks to reinforce concepts.
Explore arithmetic, assignment, comparison, and logical operators in JavaScript with practical examples like addition, subtraction, increment, division, modulus, and boolean checks.
Explore logical operators in JavaScript, including and, or, and not, with truth tables and examples using console.log, string concatenation, and real-world conditionals.
Explore JavaScript conditional statements with if, else, and else if, using practical examples to decide code execution based on true or false conditions.
Explore how for loops work in JavaScript, including initialization, condition, and increment, with examples that print Surendra and generate even numbers from 1 to 100, plus nested loops.
Learn how while and do-while loops manage repeated execution in JavaScript with conditions and counter increments. Compare them to for loops and address infinite loops.
Master how functions create reusable blocks of code to perform specific tasks, using the function syntax, braces, and arguments, and learn to call with parameters.
Demonstrates how to create JavaScript functions to perform operations like sum and subtraction, showing how return produces outputs used with console.log and contrasts built-in versus user-defined functions.
Explore anonymous and arrow functions in JavaScript, compare them with traditional functions, store them in variables, and call them with or without parameters in practical examples.
Explore JavaScript objects as key value structures for QA automation, access properties with dot or bracket notation, and modify, delete, or attach functions like greet in employee and student examples.
Explore how arrays store multiple values as a reference data type, access elements by index, check length, and modify arrays using push, unshift, pop, shift, and splice.
Explore arrays as a reference data type and learn to define and access multiple values by index. Use push, unshift, splice, pop, and shift, plus for loop and forEach iteration.
Discover how a class acts as a blueprint for objects in JavaScript, defining methods and creating objects with new to run greeting messages, as shown with a student details example.
Learn how to add a constructor to a class in JavaScript, including default and parameterized constructors and methods, and observe how the new keyword triggers constructor execution during object creation.
Explore how inheritance links parent and child classes in JavaScript using extends, as a dog extends an animal and accesses both parent and child methods.
Explore how the this keyword references the current class instance. Learn how the super keyword accesses the parent class, including constructors, properties, methods, and static members, with practical examples.
Learn how to define a capitalized constructor function to create object instances with this.name and this.age, using the new operator, and pass parameters to initialize multiple objects.
Explore the es6 features, including let and const, default parameters, arrow functions, classes, import/export, promises, and rest parameters, and see how they apply to automation testing.
Learn how to create and use modules in JavaScript by exporting and importing code, organizing functions like greeting message and login user for reusable, maintainable automation test tooling.
Explore artificial intelligence as a human-like computer system that learns from data, understands language, recognizes images, and can generate test cases for QA and automation.
Explore how humans and AI collaborate in testing and development, assess AI reliability, and leverage tools like Postman and SoapUI with a human-in-the-loop approach to boost efficiency.
Discover how large language models function as a human-brain-like AI trained on vast data to translate, answer, summarize, and generate content, and how they differ from Google.
Explore how retrieval augmented generation enhances LLMs by querying a vector database and a knowledge base to deliver accurate responses without full retraining.
Explore how generative AI creates new content, unlike traditional AI that analyzes and retrieves from existing data. See examples such as generating code, documents, images, audio, and video.
Explore how an AI memory stores, retains, and retrieves information from past interactions to power meaningful chatbot conversations, distinguishing short-term from long-term memory.
Discover how an AI agent operates by using tools, making independent decisions, and pursuing a goal, illustrated with a travel planning example and LLM reasoning.
Explore how LangChain connects LLMs to external data sources via vector databases, with LangGraph as a memory-driven, node-edge workflow for AI agents using nodes, edges, states, and checkpoints.
Overview on MCP presents the model context protocol as a universal adapter that standardizes how AI models call tools, APIs, and databases, enabling safe, reusable, scalable tool usage.
Learn how human in the loop adds human approval to AI decisions in critical tasks, and how guardrails, prompts, and awareness of hallucination prevent unsafe outputs.
master the fine-tuning concept to tailor an AI agent’s interactions for customers, branch staff, and bank officials, and contrast it with RAG, which relies on external knowledge.
Understand how context drives accuracy in language models and learn to provide precise information to guide outputs, with examples.
Learn the fundamentals of prompt engineering and how clear, context-rich prompts prevent AI hallucinations, guiding precise responses and actionable plans like booking trips.
Define a context file that assigns a tester role and mandatory rules for the LLM, then analyze acceptance criteria and UI mockups to generate manual or automation test cases.
Explore creating a manual context file and using an llm to generate manual test cases for the sourcedemo.com login flow, covering positive and negative scenarios and acceptance criteria.
Explore different prompt types used in automation testing, including zero-shot, one-shot, few-shot, and chain of thought. Learn how clear instructions and context files guide LLMs to generate accurate outputs.
Compare ChatGPT, Copilot, and Cursor for coding assistance in automation testing and development. Cursor provides codebase-aware, integrated AI tooling, outperforming general ChatGPT and standalone Copilot for complex solutions.
Discover how OpenAI powers ChatGPT and Copilot, explain its mission to advance artificial general intelligence for humanity, and outline its practice of publishing research and sharing principles.
Explore how ai models are trained on data to recognize patterns and generate human-like text, such as gpt, and how llms are specialized tools within the ai toolbox.
Generate and secure an OpenAI API key after signing up, copy the secret key, and connect OpenAI to n8n to create AI agents.
Create a simple n8n workflow that connects to Gmail, reads data from a Google sheet, uses an ai agent with GPT-4.1 mini to filter sam and send an email.
Create a n8n workflow that reads data from Google Sheets sheet 2, checks status s, and sends background verification emails to candidates via AI-driven email actions.
Learn how n8n enables AI workflow automation, create a trial account, build AI agent workflows, and automate emails and data tasks without coding.
Learn how to set up a Jira cloud testing account, create a project, generate an API token, and integrate Zephyr squad for test management and bug tracking.
Demonstrate building an n8n workflow to create Jira defects from data, including credentials setup, URL handling, and automated creation of bugs when sheet status is new.
learn how to create a public chat in an n8n workflow, connecting to an ai model and memory to create defects from sheet data. monitor status updates as it runs.
Understand how OpenAI tokens define the input, how token counts drive processing time and cost budgeting, and how rate limits affect trial accounts.
Create a Chrome extension with Cursor AI to record and playback browser actions, generating test scripts for Playwright TypeScript or Selenium, with downloadable scripts and playback options.
Design and simulate an OTP shield app that monitors SMS, calls, and WhatsApp messages for OTP requests, warns users, and blocks suspicious APK files, with Android Studio and Gradle workflows.
Are you a software tester who wants to learn JavaScript but doesn’t know where to start?
This free JavaScript basics course is designed specifically for testers and QA engineers who want to build a strong foundation before moving into modern automation tools.
JavaScript is a must-have skill for testers in 2025 and beyond, especially if you plan to work with tools like Playwright, Cypress, WebdriverIO, Selenium JavaScript, or AI-powered testing frameworks.
In this course, you’ll learn JavaScript from a tester’s perspective, focusing on practical concepts rather than theory-heavy programming.
. What makes this course different?
Designed only for testers (no unnecessary developer jargon)
Simple explanations with real testing examples
Beginner-friendly and 100% free
Perfect foundation before learning test automation frameworks
By the end of this course, you’ll feel confident reading and writing JavaScript code required for UI automation, API testing, and AI-assisted testing tools.
Topics covered :
Introduction to Javascript
Javascript Configuration on Windows MAC
Overview on Console.log() & Hello World Program
Overview on Variables, Comments, Constants, Datatypes, Operators with examples
Conditional, Looping, break, continue, switch Statements, Functions, Anonymous, Arrow , Objects with examples
Arrays, forEach, class, object, constructor & methods
JavaScript basics
JavaScript for testers
JavaScript for automation testing
JavaScript for QA
Playwright JavaScript
Cypress JavaScript
Automation testing JavaScript
Free JavaScript course
Beginner JavaScript for testing