Password Auditor: Score Any Password
Build the strength meter every signup form uses, rating a password on length, variety, and the tired patterns attackers try first. Small, sharp, and genuinely useful.
What you'll be able to build
Build the strength meter every signup form uses, rating a password on length, variety, and the tired patterns attackers try first. Small, sharp, and genuinely useful. Along the way you pick up real, transferable JavaScript skills, not just this one project:
- string iteration and character-class checks
- regular expressions for digits, symbols, and cases
- scoring with weighted rules
- detecting common patterns (repeats, sequences)
- mapping a score to a labeled verdict
- returning structured, testable feedback
A course like this one
Yours is built from your own placement, so module count and depth will differ. This map shows what a beginner-level JavaScript learner building Password Auditor actually gets.
- Module 1: JavaScript Values and Product State6 lessons
Builds the component state for your password auditor.
- Module 2: Arrays, Objects, and Client Data6 lessons
Builds the client data model workflow for your password auditor.
- Module 3: Events, Branches, and UI Decisions6 lessons
Builds the event rule that powers your password auditor.
- Module 4: Functions, Modules, and Tests6 lessons
Builds the reusable utility function for your password auditor.
- Module 5: API Boundaries and Async Thinking6 lessons
Builds the API adapter for your password auditor.
- Module 6: Frontend Launch Readiness3 lessons
Builds the release checklist for your password auditor.
How the lessons actually work
Every lesson has you predict what a piece of JavaScript code will output before you run it, then run it for real in your browser and fix what you got wrong. Each module ends in a challenge gate with hidden tests, so you can't advance until your code actually works. The course closes with a capstone that assembles everything into Password Auditor, and a runnable proof page tied to your own code.
Common questions
How long does the Password Auditor: Score Any Password course take?
about 8.5 hours, across 6 modules and 33 lessons, at roughly 15 minutes per lesson. Your own course may run shorter or longer, since it's sized to your placement result, not a fixed template.
Do I need experience?
No. This is a beginner-tier JavaScript project, built for someone writing their first real JavaScript programs.
How much does it cost?
$15 one-time, no subscription. The first module is free, so you can see exactly how the course teaches before you pay for the rest.