JavaScript Guild

>_const certified = await javascript.guild();

Master JavaScript.
Earn the proof.

The definitive JavaScript certification. 22 hands-on lessons and 16 real coding challenges that run in your browser — with an AI instructor on call and a verifiable certificate waiting at the end.

  • 22 lessons
  • 16 challenges
  • Zero setup — code runs in your browser
  • Lifetime access
  • Verifiable certificate
  • AI instructor included

// How it works

Everything you need. Nothing you don't.

01 / 04

Real JavaScript, in your browser

Every challenge runs in a sandboxed JavaScript runtime right in your browser. Write code in a professional editor, see live output, and get instant pass/fail feedback — zero setup, nothing to install.

The JavaScript editor running a coding challenge with live output and a passing result

02 / 04

AI Instructor

Stuck on closures or async/await? Your AI instructor knows exactly which lesson you are on and explains concepts, debugs code, and nudges you forward without spoiling answers.

The AI Instructor chat panel explaining closures with a code example

03 / 04

Built-in notes

Capture your own explanations and gotchas right next to each lesson. Your notes save automatically per lesson and are always one tab away.

The notes panel showing saved personal notes for the Arrow Functions lesson

04 / 04

Verifiable certificate

Finish every lesson and pass every challenge to earn the JavaScript Guild certificate — with a public verification link you can put on LinkedIn and your resume.

A public JavaScript Guild certificate of completion issued to a course graduate

// Curriculum

Variables to advanced patterns

6 modules, 22 lessons, and 16 hands-on challenges. Each module builds on the last — finish them all to unlock your certification.

// Certification

Proof that stands up to scrutiny

Complete every lesson and pass every challenge to earn the JavaScript Guild certificate. Each certificate has a unique public verification URL — recruiters and hiring managers can confirm it in one click.

  • Unique verification ID and public link
  • A shareable achievement badge for your profile
  • One-click LinkedIn sharing

Certificate of Completion

Your Name Here

has successfully completed the JavaScript Guild Certification Course and demonstrated proficiency in JavaScript.

jsguild.com/cert/xxxxxxxx

// Pricing

One course. One price.

We sell exactly one thing: the definitive JavaScript certification. No tiers, no upsells.

JavaScript Certification

$49

one-time

Get certified
  • 22 in-depth lessons across 6 modules
  • 16 interactive coding challenges
  • AI instructor with full lesson context
  • Per-lesson note taking
  • Verifiable, shareable certificate
  • Lifetime access — one payment, no subscription

// FAQ

FAQ