JavaScript MCQ Javascript Data Types MCQ

• A var num = 10;
• B var num = Number(10);
• C var num = new Number(10);
• D var num = 10.5;
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C

Answer: C

While A, B, D, and E are all valid ways to create a new number in JavaScript, using the "new" keyword and the Number constructor function (as in C) is not recommended,
because it can cause confusion with the primitive number data type.
It is better to use either of the other options.

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Learn More MCQ Questions from JavaScript MCQ Javascript Data Types MCQ

Get a solid understanding of Javascript data types with this collection of MCQ questions. Test your knowledge and skills with multiple choice questions on primitive data types such as strings, numbers, and booleans, as well as complex data types like objects and arrays. Enhance your programming skills and improve your performance in technical interviews with these essential Javascript data type MCQs