layout	default
title	JavaScript — Techbase STEM Academy

⚡ JavaScript — Techbase STEM Academy

Live: https://techbaseng.github.io/techbase-js/

Tech stack: static HTML lessons (one file per lesson) + Jekyll (minima theme) for the course README page; index.html is a hand-built static homepage served as-is, outside Jekyll's layout system.

Free JavaScript course · Techbase Consultant Services, Ibadan, Nigeria
Instructor: Babatunde Awoyemi · All Courses →

Prerequisites: HTML Fundamentals + CSS Styling (recommended)

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Course Lessons

Phase 1 — Core Language (01–11)

#	Topic	Link
01	JavaScript Tutorial — Introduction, Placement & Output	lesson_01
02	JavaScript Syntax, Statements & Comments	lesson_02
03	JavaScript Variables, let, const & Data Types	lesson_03
04	JavaScript Operators: Arithmetic · Assignment · Comparisons	lesson_04
05	JavaScript Conditionals: if · if…else · Ternary · Switch · Logical Operators	lesson_05
06	JavaScript Loops, Control Flow & Loop Keywords	lesson_06
07	JavaScript Strings: Template Strings · String Methods · String Search	lesson_07
08	JavaScript Numbers: Number Methods · Properties · Bitwise · BigInt	lesson_08
09	JavaScript Functions: Invocation · Parameters · Return · Arrow Functions	lesson_09
10	JavaScript Objects: Properties · Methods · this · Constructors	lesson_10
11	JavaScript: Scope, Code Blocks, Hoisting & Strict Mode	lesson_11

Phase 2 — Data & Collections (12–20)

#	Topic	Link
12	JavaScript Dates: Creating · Formatting · Reading · Changing	lesson_12
13	JavaScript Temporal API: Modern Date & Time Handling	lesson_13
14	JavaScript Arrays: Creating · Accessing · Modifying · Sorting · Iterating	lesson_14
15	JavaScript Sets: Unique Values · Set Methods · Union · Intersection · WeakSet	lesson_15
16	JavaScript Maps: Key-Value Pairs · Map Methods · WeakMap	lesson_16
17	JavaScript Looping, Iterables, Iterators & Generators	lesson_17
18	JavaScript Math & Random: Math Properties · All Math Methods	lesson_18
19	JavaScript Regular Expressions: Patterns · Flags · Quantifiers · Groups	lesson_19
20	JavaScript Destructuring: Arrays · Objects · Nested · Rest · Function Parameters	lesson_20

Phase 3 — Intermediate Patterns (21–30)

#	Topic	Link
21	JavaScript Data Types, Primitives, Objects, typeof & Type Conversion	lesson_21
22	JavaScript Errors — Introduction, Silent Errors, Handling & the Error Object	lesson_22
23	JavaScript Debugging: Console · Breakpoints · Error Types · Async Debugging	lesson_23
24	JavaScript Conventions, Best Practices, Common Mistakes & Performance	lesson_24
25	JavaScript Statements, Reserved Words, Operators & Operator Precedence	lesson_25
26	JavaScript Modern Features: ES2016 → ES2026	lesson_26
27	JavaScript History, Versions & The Foundation: ES3 · ES5 · ES6	lesson_27
28	JavaScript HTML DOM: Methods · Finding Elements · Changing HTML & CSS	lesson_28
29	JavaScript Events: Mouse · Keyboard · Load · Timing · EventListener API	lesson_29
30	JavaScript Projects: Counter · To-Do List · Modal · Form Validation	lesson_30

Phase 4 — Advanced & Architecture (31–40)

#	Topic	Link
31	JavaScript Functions: Callbacks · this · call · apply · bind · Closures	lesson_31
32	JavaScript Objects: Iterations · Accessors · Prototypes · Reference	lesson_32
33	JavaScript Classes: Syntax · Inheritance · Static Methods & Properties	lesson_33
34	JavaScript Asynchronous Programming: Promises · Async/Await · Fetch API	lesson_34
35	JavaScript Modules: Exports · Imports · Namespaces · Dynamic Imports	lesson_35
36	JavaScript Meta Programming: Reflect API · Proxy API	lesson_36
37	JavaScript Typed Arrays, ArrayBuffers, DataView & Atomics	lesson_37
38	JavaScript DOM — Navigation, Nodes, Collections & NodeLists	lesson_38
39	JavaScript Browser Object Model (BOM): Window · Location · History · Cookies	lesson_39
40	JavaScript Web APIs: Fetch · Geolocation · Web Storage · Web Workers	lesson_40

Phase 5 — Ecosystem & Reference (41–46)

#	Topic	Link
41	JavaScript AJAX: XMLHttpRequest · Sending Requests · Handling Responses	lesson_41
42	JavaScript JSON: Syntax · JSON.parse() · JSON.stringify() · JSON & Servers	lesson_42
43	JavaScript & jQuery: Selectors · HTML · CSS · DOM Manipulation	lesson_43
44	JavaScript Graphics: Canvas · Plotly · Chart.js · Google Charts · D3.js	lesson_44
45	JavaScript Mastery Capstone: Examples Library · Practice Arsenal · Interview Prep	lesson_45
46	JavaScript Complete Reference Manual: Every Built-in Object · Method · Property	lesson_46

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