The answer would be Option 3 as we are using the Spread Syntax here. The array numbers would be expanded into its elements and the function sum receives 3 arguments x = 1, y = 2, and z = 3 respectively.

Read more about Spread Syntax here.

Recommended Resources

https://devtools.tech/lists/s/top-javascript-mcq-with-answers-or-frontend-interview-questions-or-beginner-friendly---lid---C60esU0GU7dK78qyvCUw

https://devtools.tech/lists/all

https://devtools.tech/questions/all?type=3

https://devtools.tech/resources/s/how-to-improve-your-codebase-or-custom-eslint-rules-or-advanced-javascript-or-devtools-tech---rid---KgSipm8RngCFwwtI7bh2

https://devtools.tech/resources/s/implementation-of-reduce-polyfill-or-devtools-tech---rid---RPwJsAj15EZKfZsMT4V7

https://devtools.tech/resources/s/how-to-improve-performance-of-your-website-or-cumulative-layout-shift-or-part-1---rid---iFdJmQ4rTsUUv72yhH59

https://devtools.tech/resources/s/build-your-own-redux-or-part-1-or-advanced-frontend---rid---MNkFAzvLnmds66wD3JV0

https://devtools.tech/resources/s/create-your-own-redux-or-part-2-or-createstore-api-or-advanced-frontend---rid---H9EEn90tE3Jag6zCfNkM

https://devtools.tech/resources/s/what-every-react-developer-should-know-or-part-1-or-stale-closures---rid---x3PZ2ib2HWoab1RdaT2H

https://devtools.tech/resources/s/things-every-engineer-should-know-about-promises-in-javascript-or-frontend-fundamentals---rid---CpzShsPEajyOwTavUu5O

https://devtools.tech/resources/s/javascript-promises-fundamentals-every-engineer-should-know-or-part-2-or-event-loop-or-microtasks---rid---oBrzK6Mt7HNAnKBT3ogC

This feels empty

0 day

0 day

Study Guides

Top JavaScript Multiple Choice Questions (MCQ) with Answers | Frontend Interview Questions | Beginner Friendly

Top JavaScript Array Interview Questions | Problem Solving | Array Polyfills

Frontend Coding Challenges | JavaScript | ReactJS | DevKode DOM Challenge

Advanced JavaScript Interview Questions | Problem Solving | Frontend Interview Questions

Top JavaScript Promises Interview Questions | Problem Solving | Promise Polyfills

Video Tutorials

Contribution Opportunities

Grow with like-minded people,

Join the devtools.tech community

Stay in the know

Instagram

YouTube

Twitter