JavaScript tutorial

Make the page respond when someone clicks.

Variables, functions, the DOM, and events. The editor has a live page and a console. Try it Yourself opens /javascript/try.

Start JS introOpen JS editorOpen JS labs

52 chapters. The editor is /javascript/try.

Topics

Start at intro, or jump to the DOM, events, or projects.

Start

Intro → first script

Intro · Where To · Output · Syntax

Variables

Names you can reuse

let · const · Operators

Core

Functions, objects, events

Functions · Objects · Events

Data

Strings, numbers, lists

Strings · Arrays · Math

Flow

Decisions and loops

If · For · While

Browser

Change the page itself

DOM · Events · Storage

Practice

100+ copy-and-run snippets

console.log · DOM · Arrays

Projects

Ten apps you can finish

Counter · Quiz · To-Do

Bootcamp

Question, hint, solution, Check

Labs · Hints · Check

What you get in this tutorial

  • A page and a console. Logs go under the preview. Clicks can change the DOM.
  • Its own editor. Lessons are under /javascript. The editor is /javascript/try.
  • A chapter path. Read, change the example, press Next.

Editors

JavaScript editor →HTML preview stays at /html/tryPython editor stays at /try

All chapters

Every chapter, in order.

  1. 01JS Intro
  2. 02JS Where To
  3. 03JS Output
  4. 04JS Statements
  5. 05JS Syntax
  6. 06JS Comments
  7. 07JS Variables
  8. 08JS Let
  9. 09JS Const
  10. 10JS Operators
  11. 11JS Arithmetic
  12. 12JS Assignment
  13. 13JS Data Types
  14. 14JS Functions
  15. 15JS Objects
  16. 16JS Events
  17. 17JS Strings
  18. 18String Methods
  19. 19Template Strings
  20. 20JS Numbers
  21. 21Number Methods
  22. 22JS Arrays
  23. 23Array Methods
  24. 24Array Iteration
  25. 25JS Dates
  26. 26JS Math
  27. 27JS Random
  28. 28JS Booleans
  29. 29JS Comparisons
  30. 30JS If Else
  31. 31JS Switch
  32. 32JS For
  33. 33JS While
  34. 34Break Continue
  35. 35JS Sets
  36. 36JS Maps
  37. 37JS Typeof
  38. 38Type Conversion
  39. 39JS Scope
  40. 40JS this
  41. 41Arrow Functions
  42. 42JS Errors
  43. 43JS Classes
  44. 44JS JSON
  45. 45JS Debugging
  46. 46JS DOM
  47. 47DOM Elements
  48. 48Event Listener
  49. 49JS Window
  50. 50JS Storage
  51. 51JS Fetch
  52. 52JS Examples

FAQ: JavaScript Tutorial

Common questions about this page.

What is the StudyGrid JavaScript tutorial?

The StudyGrid JavaScript tutorial is a full beginner track: variables, functions, arrays, if/else, the DOM, events, storage, and fetch. Each chapter has copy-and-run examples.

Should I run javascript tutorial examples locally for better learning?

Yes. Use the browser editor on StudyGrid for a quick check, then Download the example and run it on your computer. Local runs show real errors and the real toolchain, which is one of the fastest ways to learn javascript tutorial in this JavaScript JavaScript lesson (JavaScript Tutorial).

Is the JavaScript editor the same as Try Python?

No. Try JavaScript is a live page plus a console at /javascript/try. Try Python stays at /try. JavaScript lessons never open the Python editor.

Do I need to install anything to learn JavaScript?

No. Open a chapter, click Try it in JavaScript, and the page and console update in the browser.

Where should I start the JavaScript tutorial?

Start at JavaScript Intro, then Where To, Output, and Syntax. After variables and functions, continue to the DOM and events. Use Next at the bottom of each chapter.

Is the JavaScript tutorial free?

Yes. The JavaScript studio on StudyGrid (studygrid.in) is free: dashboard, chapters, and the live editor.