Home / Programming MCQs / JavaScript MCQs / Question

P

Praveen Singh • 27.20K Points
Instructor II 

Q. Which one of the following codes is correct for concatenating the strings passed into the function?

(A) functionconcatenate() { returnString.prototype.concat('', arguments); }
(B) functionconcatenate() { returnString.prototype.concat.apply('', arguments); }
(C) functionconcatenate() { returnString.prototype.apply('', arguments); }
(D) functionconcatenate() { returnString.concat.apply('', arguments); }

Correct answer: Option(B)

JavaScript Share
WhatsApp Facebook Telegram

Share in MCQ Buddy Groups

Share

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Previous MCQ Next MCQ

Discusssion

Login to discuss.

Related MCQs on JavaScript

JavaScript code between a pair of “script” tags are called

Which of the following render HTML?

Which of the following syntax can be used to write "Hello World" in an alert box?

What will be the output of the below code ?

JavaScript Code is written inside file having extension __________.

What is the reason for avoiding the attributes property in the HTML DOM?

What is the output of the following JavaScript code?

What is the work of the form control elements in the HTML DOM?

What is it called when we make a mistake in the script?

Why do we need to create locally scoped variables to hold value?

Learn All JavaScript MCQs