Skip to content
Learn Netverks

Track

jquery

jQuery

36 lessons: selectors, events, Ajax, effects—jQuery 3.7 CDN playground and 108 MCQs (maintenance-focused).

Mode
client_jquery
Practice
client jquery
Lessons
36 units
Start lesson 1 → Introduction to jQuery

Before you start

A DOM and Ajax library: selectors, events, animations, and HTTP helpers built on a chainable API.

Huge amounts of legacy UI still depend on jQuery—you need safe read-and-patch skills before rewriting.

WordPress themes, admin panels, older SPAs, and pages awaiting incremental modernization.

36 lessons with JavaScript playground (jQuery 3.7 CDN), mountApp + #playground-root, and 108 MCQs.

After JavaScript DOM fundamentals—when maintaining legacy pages, not for greenfield apps.

Lesson order

Sequential — follow top to bottom

36 lessons are live in this track. Start from step 01 for the smoothest path.

  1. 01 intro Introduction to jQuery

    beginner

    Open →
  2. 02 what-is-jquery What is jQuery?

    beginner

    Open →
  3. 03 when-to-use-jquery When to use jQuery

    beginner

    Open →
  4. 04 jquery-vs-vanilla jQuery vs vanilla JS

    beginner

    Open →
  5. 05 playground-workflow Playground workflow

    beginner

    Open →
  6. 06 dollar-sign The $ alias

    beginner

    Open →
  7. 07 selectors-basics Selectors basics

    beginner

    Open →
  8. 08 traversing-dom Traversing the DOM

    beginner

    Open →
  9. 09 attributes-classes Attributes and classes

    intermediate

    Open →
  10. 10 content-manipulation Content manipulation

    intermediate

    Open →
  11. 11 dom-insertion DOM insertion

    intermediate

    Open →
  12. 12 ready-handler Document ready

    beginner

    Open →
  13. 13 click-events Click events

    beginner

    Open →
  14. 14 event-delegation Event delegation

    intermediate

    Open →
  15. 15 on-off-namespaces on, off, and namespaces

    intermediate

    Open →
  16. 16 prevent-stop preventDefault and stopPropagation

    intermediate

    Open →
  17. 17 keyboard-events Keyboard events

    intermediate

    Open →
  18. 18 show-hide-toggle show, hide, toggle

    intermediate

    Open →
  19. 19 fade-slide fade and slide

    intermediate

    Open →
  20. 20 animate-basics animate basics

    intermediate

    Open →
  21. 21 ajax-load Ajax load

    intermediate

    Open →
  22. 22 ajax-post Ajax POST patterns

    intermediate

    Open →
  23. 23 deferred-promises Deferred and promises

    advanced

    Open →
  24. 24 form-values Reading form values

    intermediate

    Open →
  25. 25 serialize-json serialize and JSON

    intermediate

    Open →
  26. 26 each-map each and map

    intermediate

    Open →
  27. 27 utilities-extend Utilities and extend

    intermediate

    Open →
  28. 28 data-api The data API

    intermediate

    Open →
  29. 29 chaining-patterns Chaining patterns

    intermediate

    Open →
  30. 30 plugin-basics Plugin basics

    advanced

    Open →
  31. 31 no-conflict noConflict

    intermediate

    Open →
  32. 32 performance-caching Performance and caching

    advanced

    Open →
  33. 33 migration-vanilla Migrating to vanilla JS

    advanced

    Open →
  34. 34 interview-essentials Interview essentials

    intermediate

    Open →
  35. 35 maintenance-checklist Maintenance checklist

    intermediate

    Open →
  36. 36 summary Track summary

    beginner

    Open →