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JavaScript Multiple Choice Questions (MCQ) Online Test #20

JavaScript MCQ #191:

What does the typeof operator return for an array in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #191:
This ICT Multiple Choice Question (ICT MCQ) #191 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of what the typeof operator returns for an array in JavaScript.
JavaScript MCQ #192:

How can you define a JavaScript function that returns a value?

About JavaScript Multiple Choice Question (MCQ) #192:
This ICT Multiple Choice Question (ICT MCQ) #192 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of how to define a JavaScript function that returns a value.
JavaScript MCQ #193:

What is a closure in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #193:
This ICT Multiple Choice Question (ICT MCQ) #193 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of what a closure is in JavaScript.
JavaScript MCQ #194:

How do you add a property to an existing JavaScript object?

About JavaScript Multiple Choice Question (MCQ) #194:
This ICT Multiple Choice Question (ICT MCQ) #194 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of how to add a property to an existing JavaScript object.
JavaScript MCQ #195:

What does the this keyword refer to in a JavaScript function?

About JavaScript Multiple Choice Question (MCQ) #195:
This ICT Multiple Choice Question (ICT MCQ) #195 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of what the this keyword refers to in a JavaScript function.
JavaScript MCQ #196:

How do you define a constant in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #196:
This ICT Multiple Choice Question (ICT MCQ) #196 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of how to define a constant in JavaScript.
JavaScript MCQ #197:

What does the forEach() method do in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #197:
This ICT Multiple Choice Question (ICT MCQ) #197 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of what the forEach() method does in JavaScript.
JavaScript MCQ #198:

How do you access the first element of an array in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #198:
This ICT Multiple Choice Question (ICT MCQ) #198 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of how to access the first element of an array in JavaScript.
JavaScript MCQ #199:

What is the result of 0.1 + 0.2 === 0.3 in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #199:
This ICT Multiple Choice Question (ICT MCQ) #199 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of the result of 0.1 + 0.2 === 0.3 in JavaScript.
JavaScript MCQ #200:

What is the purpose of the parseInt() function in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #200:
This ICT Multiple Choice Question (ICT MCQ) #200 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests the understanding of the purpose of the parseInt() function in JavaScript.
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  • This online test, titled "JavaScript Multiple Choice Questions (MCQ) Online Test #20" 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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