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  1. Certification Tests

JavaScript (Basic) Certificate

Mateusz Całka's HackerRank Certificates

Certificate: JavaScript (Basic)

skill

JavaScript (Basic)

It covers topics like, Functions, Currying, Hoisting, Scope, Inheritance, Events and Error Handling.

Standout from the crowd

Take the HackerRank Skills Certification Test and make your profile stand out to employers and peers
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