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JavaScript MCQs MCQs: 3100+ Questions & Answers in Programming

3100+ JavaScript MCQs MCQs in Programming with answers & explanations. Page 9. Practice objective questions for competitive exams, interviews & self-assessme… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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JavaScript MCQs MCQs: 3100+ Questions & Answers in Programming

What will be the correct output of the following JavaScript code?

What will happen if we execute the following code of JavaScript?

What output will come if we run the following part of the JavaScript code?

Which one of the given options can be considered as a code equivalent to the following code?

In the following code, what value should the variable "a" contain?

Which one of the given options can be considered as the correct output of the following code?

Which one of the following is not a example of closures?

What output will be returned by the function in the following code?

What is the primary rule of the Lexical Scoping?

What is required in order to implement the Lexical Scoping?

Which one of the following utilize the CPU cycles in a massive manner?

In JavaScript, what kind of scoping is used?

What are the closures?

Which one of the following algorithmic languages is not the lexical scoping standardized in?

Which one of the following can be considered as the opposite approach of the Lexical Scoping?

Which one of the given options can be considered as the correct output for the following JavaScript code?

What will be the output of the following JavaScript code?

Which of the following POSIX signals generate events?

Which HTML element is used to put the JavaScript code?