JavaScript Programming Master Tutorial
Welcome to Our Compiler's JavaScript Master Course. JavaScript is the programming language of the Web powering front-end client applications, full-stack backends with Node.js, mobile apps, and desktop platforms. Each phase in this masterclass combines interconnected topics into a thorough, hands-on learning experience with live runnable code examples.
๐ฏ Ready to Start Learning JavaScript?
Choose where to start: explore fundamentals, variables & types, operators & input, conditions, loops, strings, arrays, array methods, objects, functions, DOM manipulation, events & forms, browser storage, JSON & Fetch API, Promises & async/await, or Object-Oriented JS:
JavaScript Fundamentals
What is JavaScript?, History & Brendan Eich, Web uses, JS vs Java, Browser role & V8 engine, First program, 3 Methods to add JS to HTML, console.log(), Comments, Statements, Semicolons & ASI, Case sensitivity, Strict mode ("use strict"), and 3 Error types.
Variables & Data Types
Variables ante enti?, let vs const vs var, Reassigning values, Variable naming rules, Scope basics (Global, Function, Block), 7 Primitives (String, Number, BigInt, Boolean, undefined, null, Symbol), Objects, typeof operator, Historic typeof null bug, Dynamic typing, Explicit Type Conversion, Implicit Type Coercion, and Truthy vs Falsy values.
Operators & Input
Arithmetic, assignment, comparison (== vs ===, != vs !==), logical (&&, ||, !), increment/decrement, ternary operator, nullish coalescing (??), optional chaining (?.), bitwise operators, operator precedence, alert(), prompt(), confirm(), Number(), parseInt(), parseFloat(), invalid input handling (isNaN), and HTML Form Input.
Conditional Statements
if, else, else if ladders, nested conditions, multiple conditions with logical operators (&&, ||, !), ternary expressions, switch-case-break-default, guard clauses, truthy/falsy conditions, comparing values correctly with ===, and 6 practice programs.
Loops & Iterations
Why loops are needed, for, while, do...while, for...of (iterables), for...in (object keys), nested loops, break, continue, infinite loops, looping through strings and arrays, number patterns, star patterns, loop performance, and 8 practice programs.
Strings Mastery
Creating strings, single/double quotes, template literals, length, indexing, charAt, toUpperCase, toLowerCase, trim, includes, startsWith, endsWith, indexOf, slice vs substring, replace, replaceAll, split, repeat, escape chars, string interpolation, and 5 projects.
Arrays Masterclass
Array ante enti?, Creation, Indexes, Reading/Updating, length tricks, push, pop, shift, unshift, slice vs splice, includes, indexOf, join, reverse, sort with custom comparators, concat, Nested 2D matrices, Destructuring, Spread, Rest, and 5 practice algorithms.
Higher-Order Array Methods
forEach, map, filter, find, findIndex, some, every, reduce, flat, flatMap, Method Chaining pipelines, ES2023 Immutable methods (toSorted, toReversed, toSpliced, with), Data transformation, Search decision tree, and Grouping with Object.groupBy.
Objects Mastery
Object ante enti?, Creating objects, Properties, Methods, Dot vs Bracket notation, Adding/Updating/Deleting, Nested objects, Destructuring, Spread & Rest, Object.keys/values/entries, Object.assign, Property shorthand, Computed properties, this binding, and Optional chaining (?.).
Functions Mastery
Function declaration vs expression, Arrow functions, Parameters vs Arguments, Return values, Default params, Rest params, Callbacks, Higher-order functions, Scopes, Closures, Recursion, Pure functions, Hoisting, this context, call(), apply(), and bind().
DOM Manipulation
DOM ante enti?, Selecting elements (getElementById, querySelector, querySelectorAll), textContent vs innerHTML, changing styles, classList (add, remove, toggle), reading input values, creating & appending elements, removing elements, data attributes, DOM traversal (parent, children, closest), dynamic lists, and 4 interactive projects.
Events & Forms
Browser events, addEventListener, click, dblclick, mouse events, keyboard events, input & change, submit event, focus & blur, event object, event bubbling vs capturing, event delegation, preventDefault, form validation, error messages, and 6 full projects.
Browser APIs & Storage
window, document, console utilities, setTimeout, setInterval, clearTimeout, clearInterval, localStorage, sessionStorage, Cookies, URL & URLSearchParams, History API, Clipboard API, Geolocation API, Notifications, and Permissions.
JSON & Fetch API
What is JSON?, Objects & Arrays, JSON.stringify & parse, HTTP basics (GET, POST, PUT, DELETE), Headers, Body, response.ok, Status codes, Error handling, Loading states, Query params, Authentication, and 5 full projects.
Asynchronous JavaScript & Promises
Sync vs Async, Call Stack, Web APIs, Event Loop & Microtasks priority, Callbacks & Callback Hell, Promises & 3 states, .then/.catch/.finally, Promise Chaining, Promise combinators (all, allSettled, race, any), async/await, and Sequential vs Parallel execution.
Object-Oriented JavaScript (OOP)
OOP in JavaScript, Constructor functions, Prototypes & Prototype Chain, ES6 Classes, constructor(), instance vs static methods, getters & setters, Inheritance (extends, super), Polymorphism, #private fields, Composition vs Inheritance, Factory functions, and this binding.