What will be the output of the following JavaScript code fragment: `const a; function test() { console.log(a); }; test();`?

AnswerBot
6mo

The code will throw an error because 'a' is declared but not initialized.

  • The code will result in a ReferenceError because 'a' is declared but not assigned a value.

  • Variables declared with 'const' must ...read more

Help your peers!
Select
Add answer anonymously...

Cognizant Senior Software Engineer interview questions & answers

A Senior Software Engineer was asked 2mo agoQ. What is a Load Balancer?
A Senior Software Engineer was asked 2mo agoQ. What are functional interfaces?
A Senior Software Engineer was asked 2mo agoQ. What is a circuit breaker?

Popular interview questions of Senior Software Engineer

A Senior Software Engineer was asked 2mo agoQ1. What are functional interfaces?
A Senior Software Engineer was asked 2mo agoQ2. What is a circuit breaker?
A Senior Software Engineer was asked 2mo agoQ3. Explain the concepts of Object-Oriented Programming (OOP).
Cognizant Senior Software Engineer Interview Questions
Stay ahead in your career. Get AmbitionBox app
play-icon
play-icon
qr-code
Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+

Reviews

10L+

Interviews

4 Cr+

Salaries

1.5 Cr+

Users

Contribute to help millions

Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2025 Info Edge (India) Ltd.

Follow Us
  • Youtube
  • Instagram
  • LinkedIn
  • Facebook
  • Twitter
Profile Image
Hello, Guest
AmbitionBox Employee Choice Awards 2025
Winners announced!
awards-icon
Contribute to help millions!
Write a review
Write a review
Share interview
Share interview
Contribute salary
Contribute salary
Add office photos
Add office photos
Add office benefits
Add office benefits