JavaScript Fundamentals

Overview

Most people save JavaScript tutorials for later. Later never comes. This course makes the waiting stop. You write real JavaScript in VS Code and the browser console in the first hour. Here is what you will build skills in: • JavaScript Basics & Environment Setup How JavaScript runs, what it is, VS Code setup, browser console, Node.js basics, variables using var, let, and const, comments, and semicolons. • Data Types, Objects, and Arrays Primitive types, undefined, null, objects, and arrays with indexing and grouping, so you handle any data a program needs. • Operators, Conditions, & Control Flow Arithmetic, comparison, logical, and increment/decrement operators with if/else, else-if, switch, and ternary so your programs make real decisions. • Loops, Functions, and Error Handling Every loop type is typically applied to real scenarios, try/catch/finally, functions from declarations, default parameters, arrow syntax, closures, IIFE, higher-order functions, and currying, so your code is clean. Built for absolute beginners and career switchers. Taught in Hindi. Over 2,00,000 learners have chosen LearnKartS on Coursera across 160+ courses. Enroll now and write your first line of JavaScript today.

Syllabus

JavaScript Fundamentals: Introduction, Setup & Core Basics

Learn the basics of JavaScript including history, runtime environment, variables, scope, and modern syntax rules. Set up your development environment and understand how JavaScript runs in the browser.

JavaScript Core Fundamentals: Data Types, Arrays & Execution Basics

Understand JavaScript data types, objects, arrays, and execution flow fundamentals. Learn how to structure and manage data effectively in real-world programs.

JavaScript Fundamentals: Operators & Control Flow

Master decision-making in JavaScript using operators, comparisons, and conditional statements. Learn how to build logic using if-else, switch, and ternary operations.

JavaScript Core Logic: Loops, Functions & Error Handling

Learn how to build reusable logic using loops, functions, callbacks, and error handling techniques. Strengthen problem-solving skills with real-world JavaScript programming patterns.