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JavaScript Libraries / Beginner

W3.js Tutorial

A focused, example-driven W3.js curriculum with atomic lessons from fundamentals through practical usage.

32 lessons~6.4 hoursv2026.09 workspace_premium Certificate available
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Course curriculum

MODULE 01
Selection & Content
8 lessons
1w3.getElement
12 min
2w3.getElements
12 min
3w3.getHttpObject
12 min
4w3.displayObject
12 min
5w3.includeHTML
12 min
6w3.hide
12 min
7w3.show
12 min
8w3.toggleShow
12 min
MODULE 02
Filtering & Sorting
8 lessons
1w3.filterHTML
12 min
2Filter table rows
12 min
3Filter list items
12 min
4w3.sortHTML
12 min
5Sort ascending
12 min
6Sort descending
12 min
7Multi-column filter
12 min
8Case-insensitive filter
12 min
MODULE 03
HTTP & Data
8 lessons
1w3.getHttpData
12 min
2Load JSON
12 min
3Render object data
12 min
4Render array data
12 min
5Handle empty data
12 min
6Handle HTTP failure
12 min
7Refresh remote data
12 min
8Template with placeholders
12 min
MODULE 04
UI Patterns
8 lessons
1Toggle navigation
12 min
2Show modal
12 min
3Hide modal
12 min
4Filter cards
12 min
5Sort product list
12 min
6Load reusable header
12 min
7Display selected object
12 min
8Progressive enhancement fallback
12 min
Certificate Included

W3.js Certificate

Earn this credential in either of two ways: complete 100% of the course, or take the master exam directly and score 85% or higher. You do not need to finish the course before attempting the exam.

Course completion path
Finish every published lesson → completion certificate is issued automatically.
Mastery exam path
15 MCQs · 100 marks · 30 minutes · 85% pass · 4 attempts.
Fresh questions each attemptNo backtrackingPublic verificationAdd to LinkedIn
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