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JavaScript Basics

Build a solid JavaScript foundation. Variables, functions, DOM, async, fetch, modules — everything you need before frameworks like React.

JavaScript ES2024DOMFetch APIModules
Duration
10 weeks
Starts
Jun 17
Students
410+
Rating
4.8 / 5
Starting from
59 000 ֏
Enrolling now
  • 10 weeks (80h total)
  • Starts June 17, 2001
  • online format
  • HY · EN
  • Certificate on completion
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What this course is about

Overview

Build a solid JavaScript foundation. Variables, functions, DOM, async, fetch, modules — everything you need before frameworks like React.

Across 10 weeks (80 hours of live + project work) you’ll move from fundamentals to shipping a real, production-grade project — guided by Aram Petrosyan and the beeon.academy mentor team.

Learning outcomes

What you will learn

Write modern, idiomatic JavaScript
Manipulate the DOM with confidence
Work with async, Promises and the Fetch API
Structure projects with modules and clean code
Interactive course

Lessons

41 lessons · all open, start with any
  1. 1What is JavaScript?30 min
  2. 2script tag and the console30 min
  3. 3Your first program25 min
  4. 4Variables with let35 min
  5. 5Constants with const30 min
  6. 6The old var — and why we avoid it35 min
  7. 7Naming rules and good habits25 min
  8. 8Type: string35 min
  9. 9Type: number35 min
  10. 10Type: boolean30 min
  11. 11null and undefined35 min
  12. 12Type: object (introduction)40 min
  13. 13Symbol and BigInt35 min
  14. 14typeof — ask the type30 min
  15. 15Arithmetic operators30 min
  16. 16Comparison and logic35 min
  17. 17== vs === and type coercion35 min
  18. 18String methods40 min
  19. 19Math and number helpers35 min
  20. 20if / else decisions40 min
  21. 21Ternary and switch30 min
  22. 22for loops40 min
  23. 23while and for...of35 min
  24. 24Functions — reusable recipes40 min
  25. 25Arrow functions35 min
  26. 26Scope — where a name is visible35 min
  27. 27Arrays — ordered lists40 min
  28. 28Array methods: map, filter, find45 min
  29. 29Objects in depth40 min
  30. 30Arrays of objects40 min
  31. 31DOM — select elements40 min
  32. 32DOM — change the page40 min
  33. 33Create and remove elements35 min
  34. 34Events — click, input, submit45 min
  35. 35Forms with JavaScript40 min
  36. 36Timers: setTimeout and setInterval30 min
  37. 37JSON — data as text30 min
  38. 38fetch and async / await45 min
  39. 39try / catch — handle errors30 min
  40. 40localStorage — remember in the browser35 min
  41. 41Capstone: interactive mini app50 min
Course modules

Syllabus

  1. 1
    • Types, variables, operators
    • Control flow
    • Functions & scope
  2. 2
  3. 3
  4. 4
What you need to start

Requirements

  • Comfortable with HTML & CSS basics
Learn from a working engineer

Your instructor

AP

Aram Petrosyan

Senior Engineer · beeon.academy

Senior engineer with 10+ years building production web apps. Has mentored over 800 students across full-stack and frontend tracks.

What graduates say

Student reviews

“The course was structured perfectly — I went from zero to shipping real projects in months.”
A
Anna G.
Graduate
“Mentors gave hands-on feedback every week. I landed an internship before the course was even over.”
D
David S.
Graduate
“Loved the project-based approach. I genuinely felt ready for real engineering work.”
M
Mariam P.
Graduate
Common questions

FAQ

Most of our beginner courses require no prior experience — just curiosity. Intermediate and advanced tracks have prerequisites listed on each course page.
Starting from
59 000 ֏
Register