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JavaScript Multiple Choice Questions (MCQ) Online Test #4

JavaScript MCQ #31:

What is the latest version of ECMAScript as of 2024?

About JavaScript Multiple Choice Question (MCQ) #31:
This ICT Multiple Choice Question (ICT MCQ) #31 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question evaluates knowledge of the latest version of ECMAScript.
JavaScript MCQ #32:

What will the typeof operator return for a variable containing null?

About JavaScript Multiple Choice Question (MCQ) #32:
This ICT Multiple Choice Question (ICT MCQ) #32 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests understanding of the typeof operator's behavior with null.
JavaScript MCQ #33:

What will the following code snippet print if day is 2?

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About JavaScript Multiple Choice Question (MCQ) #33:
This ICT Multiple Choice Question (ICT MCQ) #33 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question evaluates understanding of how the switch statement works.
JavaScript MCQ #34:

Which event occurs when a user moves the mouse over an element?

About JavaScript Multiple Choice Question (MCQ) #34:
This ICT Multiple Choice Question (ICT MCQ) #34 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of the event triggered by mouse movement over an element.
JavaScript MCQ #35:

What does the splice() method do in JavaScript arrays?

About JavaScript Multiple Choice Question (MCQ) #35:
This ICT Multiple Choice Question (ICT MCQ) #35 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses understanding of the splice() method.
JavaScript MCQ #36:

What does the await keyword do in an async function?

About JavaScript Multiple Choice Question (MCQ) #36:
This ICT Multiple Choice Question (ICT MCQ) #36 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses understanding of the await keyword.
JavaScript MCQ #37:

How does React handle updates to the user interface?

About JavaScript Multiple Choice Question (MCQ) #37:
This ICT Multiple Choice Question (ICT MCQ) #37 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses knowledge of React's approach to UI updates.
JavaScript MCQ #38:

What is the purpose of using the Strict Mode in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #38:
This ICT Multiple Choice Question (ICT MCQ) #38 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of JavaScript Strict Mode.
JavaScript MCQ #39:

What is the main advantage of using the Module Pattern in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #39:
This ICT Multiple Choice Question (ICT MCQ) #39 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses the benefits of the Module Pattern.
JavaScript MCQ #40:

What is a common practice to avoid issues with global namespace pollution in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #40:
This ICT Multiple Choice Question (ICT MCQ) #40 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question evaluates knowledge of techniques to avoid global namespace pollution.
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  • This online test, titled "JavaScript Multiple Choice Questions (MCQ) Online Test #4" is designed for individuals at the intermediate level and focuses on "JavaScript". It consists of 10 carefully crafted multiple choice questions (MCQs) with four options each that assess intermediate knowledge and understanding of the subject matter. This test aims to help participants evaluate their grasp of key concepts related to "JavaScript".
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