OpenTechBook
  • Home
  • Open Books
    • All Open Books

    • Free eBooks
    • Free Magazines
    • Free Journals

    • Submit an Open Book
  • Quizzes
Home » Quiz » Node.js Quiz

In JavaScript, when destructuring an object, the … (three dots) is called the ______ operator.

Difficulty level
  • Spread
  • Assign
  • Rest
  • Merge
In JavaScript, when destructuring an object, the three dots (...) are called the "Spread" operator. The spread operator is used to unpack elements from an array or properties from an object.
Add your answer
Loading...
Facebook Twitter Linkedin Reddit Pinterest
Node.js Quiz
Quiz
What will happen to the devDependencies when you run npm install --production?
How can cache stampede be mitigated in high-traffic applications?

Related Quiz

  • You are assigned to optimize a Node.js application that is experiencing performance bottlenecks. The application heavily relies on reading and writing data to the file system. Which approach would be most effective in optimizing file system-related operations?
  • In a Write-Around caching strategy, the data is written directly to the ______, bypassing the cache.
  • How can you ensure the security of file uploads in a web application?
  • To optimize write-intensive workloads in a database, it's crucial to minimize the use of ________.
  • Which part of the semantic versioning number (e.g. 1.2.3) is incremented for backwards-compatible bug fixes?

Leave a commentCancel

Your email address will not be published. Required fields are marked *

Hot Quiz

PHP QuizPython QuizNode.js QuizASP.NET Core QuizData Science Statistics QuizADO.NET QuizCheckpoint QuizServlet QuizData Modelling QuizDatabase Testing QuizAPI Testing QuizBootstrap QuizAlgorithm QuizCommvault QuizAdobe Experience Manager QuizCOBOL QuizCCNA QuizAppium QuizData Engineer QuizSpring Boot Quiz
Copyright © 2025 Open Tech Book
  • About
  • Contact
  • FAQ
  • DMCA
  • Disclaimer
  • Privacy Policy