JavaScript Quiz -5

JavaScript QUIZ -5

The quiz consists of 20 CSS questions. Let's check your CSS with this simple quiz.

Total Questions : 20
Question Type : MCQ
Time Limit : 5 Minutes
Maximum Points : 20

1 / 20

The keyword or the property that you use to refer to an object through which they were invoked is _________

from

to

this

object

2 / 20

The property of JSON() method is __________

it can be invoked manually as object.JSON()

it will be automatically invoked by the compiler

it is invoked automatically by the JSON.stringify() method

it cannot be invoked in any form

3 / 20

When a class B can extend another class A, we say that?

A is the superclass and B is the subclass

B is the superclass and A is the subclass

Both A and B are the superclass

Both A and B are the subclass

4 / 20

Which of the algorithmic languages is not lexical scoping standardized in?

Ada

Pascal

Modula2

Html

5 / 20

Which of the following uses a lot of CPU cycles?

GUI

Statically generated graphics

Dynamically generated graphics

Generic scoping

6 / 20

What is the fundamental rule of lexical scoping?

Functions are declared in the scope

Functions are executed using scope chain

Functions are declared outside the scope

Variables are declared within the function

7 / 20

The basic difference between JavaScript and Java is _________

There is no difference

Functions are considered as field

Variables are specific

Functions are values, and there is no hard distinction between methods and fields

8 / 20

The four kinds of class members are ________

Instance methods, Instance fields, Static method, Dynamic method

Instance fields, Instance methods, Class fields, Class methods

Instance fields, Non-instance fields, Dynamic methods, Global methods

Global methods, Local methods, Dynamic methods, Static methods

9 / 20

What is closure?

Function objects

Scope where function’s variables are resolved

Both Function objects and Scope where function’s variables are resolved

Function return value

10 / 20

The method that can be used to create new properties and also to modify the attributes of existing properties is _________

Object.defineProperty()

Object.defineProperties()

Both Object.defineProperty() and Object.defineProperties()

Object.inherit()

11 / 20

Which of the following is not an example of closures?

Objects

Variables

Functions

Graphics

12 / 20

The meaning for Augmenting classes is that ___________

objects inherit prototype properties even in a dynamic state

objects inherit prototype properties even in a objects inherit prototype properties only in a dynamic state

objects inherit prototype properties in the static state

object doesn’t inherit prototype properties in the static state

13 / 20

The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is ________

Instance object

Constructor object

Destructor object

Prototype object

14 / 20

If A is the superclass and B is the subclass, then subclass inheriting the superclass can be represented as _________

B=inherit(A);

B=A.inherit();

B.prototype=inherit(A);

B.prototype=inherit(A.prototype);

15 / 20

The behaviour of the instances present of a class inside a method is defined by __________

Method

Classes

Interfaces

Classes and Interfaces

16 / 20

What is the purpose of the dynamic scoping?

Variables can be declared outside the scope

Variables must be declared outside the scope

Variables cannot be declared outside the scope

Variable cannot be declared within the function

17 / 20

Different kinds of the object involved in a class definition are ________

Public object, Private object, Protected object

Constructor object, Function object, Destructor object

Constructor object, Prototype object, Instance object

Instance method, Static object, Dynamic object

18 / 20

The snippet that filters the filtered set is __________

var t=new FilteredSet(s, {function(s) {return !(x instanceof Set);});

var t=new FilteredSet{function(s) {return !(x instanceof Set);});

var t=new FilteredSet(s, {function(s) {return (x instanceof Set);});

var t=new FilteredSet(s, {function(s) {return x;});

19 / 20

Which variables are used internally in object methods and are also globally visible?

Object properties

Variable properties

Method properties

Internal properties

20 / 20

What is the opposite approach to the lexical scoping?

Literal scoping

Static scoping

Dynamic scoping

Generic scoping

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