The online JavaScript certification from Loopskill will assist you in becoming a certified developer. You can take this exam and by scoring 70% you will become an internationally certified JavaScript developer. JavaScript Certification assesses a person's knowledge of the programming language as well as their understanding of programming concepts. A variety of certifying authorities, ranging from government agencies to commercial enterprises and organisations, offer the JavaScript certification. Certifications are normally obtained by the completion of an online or offline exam.