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JavaScript

Test your JavaScript knowledge from DOM basics to modern frameworks and Node.js. Build your skill rating and find certification paths.

Your Skill Level

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Take a test to get your JavaScript rating

Test Your Skills

Beginner

Levels 1 – 3

Variables, data types, DOM manipulation, events, and basic ES6+ syntax.

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Intermediate

Levels 4 – 6

Closures, promises, async/await, modules, and browser APIs.

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Advanced

Levels 7 – 10

Design patterns, performance tuning, build tooling, framework internals, and Node.js architecture.

Coming Soon

Certifications

OpenJS Node.js Application Developer (JSNAD)

OpenJS Foundation

Validates skills in building Node.js applications, including async patterns and diagnostics.

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OpenJS Node.js Services Developer (JSNSD)

OpenJS Foundation

Focuses on building RESTful services, security, and server-side JavaScript.

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Meta Front-End Developer Certificate

Meta (Coursera)

Professional certificate covering React, JavaScript testing, and responsive design.

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