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JavaScript Multiple Choice Questions (MCQ) Online Test #3

JavaScript MCQ #21:

Who is credited with creating JavaScript?

About JavaScript Multiple Choice Question (MCQ) #21:
This ICT Multiple Choice Question (ICT MCQ) #21 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of the creator of JavaScript.
JavaScript MCQ #22:

Which data type would you use to represent a floating-point number in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #22:
This ICT Multiple Choice Question (ICT MCQ) #22 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses knowledge of the data type used to represent floating-point numbers in JavaScript.
JavaScript MCQ #23:

Which statement is used for multiple conditional branches in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #23:
This ICT Multiple Choice Question (ICT MCQ) #23 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of the statement used for handling multiple conditional branches.
JavaScript MCQ #24:

What does the event.preventDefault() method do in an event handler?

About JavaScript Multiple Choice Question (MCQ) #24:
This ICT Multiple Choice Question (ICT MCQ) #24 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question evaluates understanding of the purpose of event.preventDefault().
JavaScript MCQ #25:

Which method adds an element to the end of an array?

About JavaScript Multiple Choice Question (MCQ) #25:
This ICT Multiple Choice Question (ICT MCQ) #25 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of array methods.
JavaScript MCQ #26:

What is the purpose of the async keyword in JavaScript?

About JavaScript Multiple Choice Question (MCQ) #26:
This ICT Multiple Choice Question (ICT MCQ) #26 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of the async keyword.
JavaScript MCQ #27:

Which of the following is a core feature of Vue.js?

About JavaScript Multiple Choice Question (MCQ) #27:
This ICT Multiple Choice Question (ICT MCQ) #27 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests knowledge of Vue.js features.
JavaScript MCQ #28:

Which practice is recommended to mitigate the risk of JavaScript injection attacks?

About JavaScript Multiple Choice Question (MCQ) #28:
This ICT Multiple Choice Question (ICT MCQ) #28 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses understanding of mitigating JavaScript injection risks.
JavaScript MCQ #29:

In the Observer Design Pattern, what role does the "Subject" play?

About JavaScript Multiple Choice Question (MCQ) #29:
This ICT Multiple Choice Question (ICT MCQ) #29 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question tests understanding of the Observer Design Pattern's components.
JavaScript MCQ #30:

Which method should be used to handle asynchronous operations in modern JavaScript?

About JavaScript Multiple Choice Question (MCQ) #30:
This ICT Multiple Choice Question (ICT MCQ) #30 focuses on JavaScript within the "Intermediate ICT MCQ" category. This question assesses knowledge of handling asynchronous operations.
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  • This online test, titled "JavaScript Multiple Choice Questions (MCQ) Online Test #3" 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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