JavaScript MCQ Javascript Data Types MCQ

• A var str = new String("Hello World!");
• B var str = String("Hello World!");
• C var str = "Hello World!";
• D var str = 'Hello World!';
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A

Answer: A

While A, D, and E are all valid ways to create a new string in JavaScript,
using the "new" keyword and the String constructor function (as in C) is not recommended,
because it can cause confusion with the primitive string 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