Advanced JavaScript

About this course

You know basic JavaScript. But as projects grow, things start breaking in ways you cannot explain. This course helps you move from writing JavaScript to building with it confidently. Here is what you will build skills in: • OOP in JavaScript Classes, encapsulation, inheritance, polymorphism, & abstraction with practice problems including a Vehicle Class and Bank Account system. • Browser APIs, Debugging, and Web Storage DevTools debugging, localStorage and sessionStorage for persistence, and Timer APIs with a Countdown Timer mini project. • Advanced JavaScript and Functional Programming Execution context, hoisting, closures, the this keyword, call/apply/bind, pure functions, currying, memoization, & immutability. • Performance, Error Handling, and Advanced Patterns try/catch, custom errors, module pattern, singleton, observer, debouncing, event delegation, DOM optimization, and lazy loading. • 5 Real-World Projects Quiz App, Expense Tracker, Notes App, Weather Dashboard, & Task Manager. Portfolio-ready output, and that too from day one. Taught in Hindi and ideal for learners who know JavaScript basics and are ready to build real, interview-ready projects. LearnKartS has helped 2,00,000+ learners on Coursera. Enroll now and make your JavaScript career ready.