Beginner to Intermediate · 8 weeks · 48 hours
JavaScript Course
A structured, project-driven path through modern JavaScript, from the language core to asynchronous patterns and browser APIs.
- Available as classroom
- Available as live online
- Available as corporate on-site
JavaScript Course at Wisen IT Solutions, Chennai
The JavaScript Course at Wisen IT Solutions, Chennai takes you from language fundamentals to the patterns production teams rely on every day. You write code in every session, debug real defects, and finish with an application you built yourself rather than a set of copied snippets.
The course runs for 8 weeks · 48 hours and is delivered as classroom, live online, corporate on-site training by Wisen IT Solutions, Chennai. You can join a scheduled batch or ask for a private batch for your team.
Course curriculum
JavaScript Course syllabus — from language core to browser APIs
The JavaScript Course syllabus moves from the language core through asynchronous patterns to the browser APIs production applications depend on. Every chapter is taught with hands-on exercises and reviewed code.
Getting Started with JavaScript
- What JavaScript is and where it runs
- A short history: ES5, ES6 and the yearly release cycle
- The JavaScript engine, parser and just-in-time compilation
- Setting up Node.js and a modern editor
- Running scripts in the browser console
- Linking scripts: defer, async and module attributes
- Statements, expressions and semicolon rules
- Comments and self-documenting code
- Strict mode and what it changes
- Declaring variables with let and const
- Why var is avoided in new code
- Naming conventions and readability
- Primitive types: string, number, boolean, null, undefined
- Symbol and BigInt and when they appear
- typeof and its known quirks
- Template literals and string interpolation
- Numbers, floating point precision and Number methods
- Type coercion: implicit versus explicit
- Equality: == against === and Object.is
- Truthy and falsy values
- Nullish coalescing and the logical operators
- Operator precedence and when to add parentheses
- Reading error messages in the console
Outcomes
What you will be able to do after the JavaScript Course
Outcomes are stated as capabilities, not topics covered, so you can judge the course against what you actually need at work.
By the end of the course you can
- Read and reason about any modern JavaScript codebase with confidence
- Use closures, prototypes and the event loop deliberately rather than by accident
- Write asynchronous code with promises and async/await without race conditions
- Work with the DOM, fetch APIs and browser storage using accessible, semantic markup
- Debug effectively with breakpoints, call stacks and network inspection
- Ship a portfolio-quality application built and reviewed during the course
Syllabus
What the JavaScript Course covers
6 modules across 8 weeks · 48 hours. The first module is expanded; open any module to read its topics.
01Language Core
- Values, types and coercion rules that actually matter
- Scope, hoisting, closures and the temporal dead zone
- Functions, higher-order functions and pure functions
02Objects, Prototypes and Classes
- Object literals, descriptors and immutability
- Prototype chain, `this` binding and call/apply/bind
- ES classes, private fields and composition over inheritance
03Collections and Data Transformation
- Array methods: map, filter, reduce, flatMap
- Map, Set, WeakMap and when each is the right choice
- Destructuring, spread, rest and optional chaining
04Asynchronous JavaScript
- The event loop, task queue and microtasks
- Promises, chaining, combinators and error propagation
- async/await, cancellation with AbortController
05Browser APIs and the DOM
- Semantic DOM manipulation and event delegation
- fetch, JSON, FormData and file handling
- Storage, History API and Intersection Observer
06Tooling, Testing and Delivery
- Modules, bundlers and npm scripts
- Unit testing fundamentals and test-driven debugging
- Performance profiling and shipping to production
Who it is for
Is the JavaScript Course the right fit for you?
Read this before enrolling. If none of the profiles below describe you, contact us and we will point you to a better-suited course.
This course suits
- Students and graduates starting a career in web development
- Backend or QA engineers moving into frontend work
- Self-taught developers who want to close the gaps in their fundamentals
Answers
JavaScript Course — frequently asked questions
Answers to the questions we are asked most often about the JavaScript Course.
Do I need programming experience before joining the JavaScript Course?
No prior JavaScript experience is required. You should be comfortable with basic HTML and CSS. The course begins with the language core and builds up to asynchronous programming and browser APIs.
How long is the JavaScript Course and how is it scheduled?
The course runs for 8 weeks and covers 48 hours of instruction. Weekday evening and weekend batches are available in classroom and live online formats.
Will I build real projects during the course?
Yes. You build a complete application incrementally across the course, and every module includes hands-on exercises reviewed by the trainer.
Is a certificate provided on completion?
Wisen IT Solutions, Chennai issues a course completion certificate once you finish the assessments and the final project.
- 27+
- Years of training
Delivering technical training from Chennai since 1998. - 17,700+
- Learners empowered through training
Corporate teams, IT working professionals, career switchers and students. - 2,700+
- Happy students / year
Learners completing our programmes every year. - 30+
- Corporate clients
Product companies, service firms and startups.
Corporate training
Teams that train with Wisen IT Solutions, Chennai
Engineering teams across product companies, IT services firms and startups run their JavaScript, Angular, React and Next.js upskilling with us.
Altimetrik 
Aparajitha Corporate Services 
Caresoft 
Dzine Hub 
Firstsource 
Gigamon 
Helios and Matheson 
NextGen Healthcare 
Perpetuuiti Technosoft 
R Systems 
SRM Institute of Science and Technology 
Temenos 
The Hindu 
Tamil Nadu Electricity Board 
WABCO
Build JavaScript for the AI-era
Plan your JavaScript training with Wisen IT Solutions, Chennai, India
Tell us where you are today — a beginner, a working developer, or a team with a delivery deadline — and we will map the right course, format and schedule.
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