Explore topic-wise MCQs in JavaScript Questions & Answers Object Attributes and Serialization.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your JavaScript Questions & Answers Object Attributes and Serialization knowledge and support exam preparation. Choose a topic below to get started.

1.

The purpose of extensible attribute is to __________

A. make all of the own properties of that object non configurable
B. to configure and bring a writable property
C. lock down objects into a known state and prevent outside tampering
D. to include new properties into the object
Answer» D. to include new properties into the object
Discussion
2.

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 s extensible flag
Discussion
3.

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