What is the difference between Javascript Tester vs JavaScript Developer?

Career: Javascript Tester

AspectJavascript TesterJavaScript Developer
Primary RoleTesting and validating JavaScript code for bugs and functionalityDeveloping and implementing JavaScript code for web applications
Skills RequiredKnowledge of testing frameworks, debugging, scriptingProficiency in JavaScript, frameworks, coding best practices
Work EnvironmentQuality assurance teams, testing labs, development teamsDevelopment teams, software companies, web agencies
CertificationsTesting certifications (e.g., ISTQB), JavaScript knowledgeJavaScript certifications, coding bootcamps

Javascript Testers focus on ensuring the quality and functionality of JavaScript code through testing, while JavaScript Developers are responsible for creating and maintaining JavaScript applications. Both roles require knowledge of JavaScript, but testers emphasize testing frameworks and debugging, whereas developers focus on coding and application development.