What is the purpose of the –prof flag in Node.js and how is the output analyzed? Node.js DeveloperHard Try Now
What is supply chain security in the context of Node.js and npm, and what tools help mitigate it? Node.js DeveloperHard Try Now
What is the purpose of the express-validator library in a Node.js API? Node.js DeveloperMedium Try Now
What is the purpose of the Sequelize transaction() method and when is it critical to use it? Node.js DeveloperHard Try Now
What is the strangler fig pattern and how does it apply to migrating a monolith to Node.js microservices? Node.js DeveloperHard Try Now
What is the purpose of the –watch flag in Node.js 18+ and how does it compare to nodemon? Node.js DeveloperHard Try Now
What is prototype pollution in Node.js and how can it affect application security? Node.js DeveloperHard Try Now
What is the purpose of semantic versioning (semver) in npm packages and what do the major, minor, and patch numbers represent? Node.js DeveloperHard Try Now
What is the purpose of OpenTelemetry in a Node.js microservices application? Node.js DeveloperHard Try Now
What is the purpose of the single responsibility principle (SRP) applied to Node.js route handlers? Node.js DeveloperHard Try Now
What is the purpose of the Promise.allSettled() method and how does it differ from Promise.all()? Node.js DeveloperHard Try Now
How does dependency injection improve testability in Node.js applications? Node.js DeveloperHard Try Now
What are the security risks of using eval() or the Function constructor with user input in Node.js? Node.js DeveloperHard Try Now
What is zero-downtime deployment in Node.js and how is it achieved with PM2 or Kubernetes? Node.js DeveloperHard Try Now
What is the purpose of the node:test built-in module introduced in Node.js 18? Node.js DeveloperHard Try Now
