Explore topic-wise MCQs in Javascript.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Javascript knowledge and support exam preparation. Choose a topic below to get started.

1.

To determine whether one object is the prototype of (or is part of the prototype chain of) another object, one should use the ___________?

A. isPrototypeOf() method
B. equals() method
C. === operator
D. ==opertor
Answer» D. ==opertor
Discussion
2.

An integer

A. A String
B. An object
C. Floating point
Answer» C. Floating point
Discussion
3.

A linkage of series of prototype objects is called as ________

A. prototype stack
B. prototype chain
C. prototype class
D. prototypes
Answer» C. prototype class
Discussion
4.

The object has three object attributes namely

A. Class, parameters, object’s extensible flag
B. Prototype, class, objects’ parameters
C. Prototype, class, object’s extensible flag
D. Native object, Classes and Interfaces and Object’s extensible flag
Answer» D. Native object, Classes and Interfaces and Object‚Äö√Ñ√∂‚àö√ë‚àö¬•s extensible flag
Discussion
5.

The unordered collection of properties, each of which has a name and a value is called

A. String
B. Object
C. Serialized Object
D. Array
Answer» C. Serialized Object
Discussion