Question 1

The nested function is hidden from other code in the script, making the code contained and easier to manage.

Accepted Answer

A) True 
 B)False

Question 2

Identify the correct syntax to add methods to a custom object.

Accepted Answer

A)  var objName = { function: method () { commands } } 
B)  var objName = { method: function() { commands } } 
C)  Commands = { method: function() { var objName } } 
D)  var objName = { function() { method() } } 
A)  var objName = { function: method () { commands } } 
B)  var objName = { method: function() { commands } } 
C)  Commands = { method: function() { var objName } } 
D)  var objName = { function() { method() } }

Question 3

Simon uses the function.apply(thisObj[,argArray] method to call a method from another object class. In this method, argArray is a(n) _____.

Accepted Answer

A)  argument consisting of arrays 
B)  array of argument values 
C)  object calling the arguments of an array 
D)  method of argument values 
A)  argument consisting of arrays 
B)  array of argument values 
C)  object calling the arguments of an array 
D)  method of argument values

Question 4

Identify the apply() method used to borrow a method from one object class.

Accepted Answer

A)  function.apply(thisObj[,argArray]) 
B)  apply.function(thisObj[,Array]) 
C)  function.apply(thisObj[,apply]) 
D)  Apply.function(Obj[,argArray]) 
A)  function.apply(thisObj[,argArray]) 
B)  apply.function(thisObj[,Array]) 
C)  function.apply(thisObj[,apply]) 
D)  Apply.function(Obj[,argArray])

Question 5

Write a note on nested functions.

Accepted Answer

Any function, including named functions,

Question 6

Methods are shared between objects by applying or calling a method from one object for use in another object.

Accepted Answer

A) True 
 B)False

Question 7

JavaScript objects do not support _____ like arrays do.

Accepted Answer

A)  for loops 
B)  object literals 
C)  forEach() methods 
D)  object constructors 
A)  for loops 
B)  object literals 
C)  forEach() methods 
D)  object constructors

Question 8

When you create a custom object using an object literal or by applying the new Object() command, you create a subclass of the _____.

Accepted Answer

A)  base object 
B)  object literal 
C)  prototype chain 
D)  object constructor 
A)  base object 
B)  object literal 
C)  prototype chain 
D)  object constructor

Question 9

Identify the significance of this keyword in the following constructor function. function objClass(parameters) { this.prop1 = value1; this.prop2 = value2; … this.method1 = function1; this.method2 = function2; … }

Accepted Answer

A)  It refers to the parameters used by the constructor function. 
B)  It refers to the properties associated with the object class. 
C)  It refers to any method associated with the object class. 
D)  It refers to any object instance of the object class. 
A)  It refers to the parameters used by the constructor function. 
B)  It refers to the properties associated with the object class. 
C)  It refers to any method associated with the object class. 
D)  It refers to any object instance of the object class.

Question 10

Case-Based Critical Thinking Questions Case 13-4 Edward wants to use object-based programming to create objects that belong to a specific type or class with shared properties and methods. Once the constructor function for the object class is defined, instances of the object are created with the _____ command.

Accepted Answer

A)  var objInstance = new objClass(parameters); 
B)  var objInstance = objClass(obj); 
C)  objInstance = new objClass(var); 
D)  var objInstance = objClass 
A)  var objInstance = new objClass(parameters); 
B)  var objInstance = objClass(obj); 
C)  objInstance = new objClass(var); 
D)  var objInstance = objClass

Question 11

Case-Based Critical Thinking Questions Case 13-3 Thomas wants to create a custom object using the new operator. He applies the following commands: var objName = new Object(); object.property = value; object.method = function() { commands }; The new Object() statement is equivalent to a(n) _____.

Accepted Answer

A)  empty object literal 
B)  prototype chain 
C)  for…in loop 
D)  base object 
A)  empty object literal 
B)  prototype chain 
C)  for…in loop 
D)  base object

Question 12

. If the constructor function is a machine to create object instances, then the _____ is the blueprint for the objects that are created.

Accepted Answer

A)  method 
B)  operator 
C)  prototype 
D)  command 
A)  method 
B)  operator 
C)  prototype 
D)  command

Question 13

A _____ does not follow a specific order because properties can be listed and read out in any order.

Accepted Answer

A)  for…in loop 
B)  call() method 
C)  forEach() loop 
D)  create() method 
A)  for…in loop 
B)  call() method 
C)  forEach() loop 
D)  create() method

Question 14

To create a custom object as an object literal, you apply the create() method.

Accepted Answer

A) True 
 B)False

Question 15

Explain how you can apply a for…in loop.

Accepted Answer

The syntax of for..in loop is as follows

Question 16

Identify the structure in which any function, including named functions, is nested within another function.

Accepted Answer

A)  function outsideFn() { commands function insideFn() { commands } commands } 
B)  outsideFn()function { commands function insideFn() { commands } commands } 
C)  insideFn() function outsideFn() { function insideFn() { commands } commands } 
D)  function outsideFn() { commands insideFn function () { commands } commands } 
A)  function outsideFn() { commands function insideFn() { commands } commands } 
B)  outsideFn()function { commands function insideFn() { commands } commands } 
C)  insideFn() function outsideFn() { function insideFn() { commands } commands } 
D)  function outsideFn() { commands insideFn function () { commands } commands }

Question 17

Which of the following should be used to examine the properties and keys of an object?

Accepted Answer

A)  forEach() loop 
B)  call() method 
C)  for…in loop 
D)  create() method 
A)  forEach() loop 
B)  call() method 
C)  for…in loop 
D)  create() method

Question 18

The biggest advantage of an object created either as an object literal or with the new Object() command is that the object is reusable.

Accepted Answer

A) True 
 B)False

Question 19

Identify the name:value pair that includes a function name and its commands, which is used to add methods to a custom object.

Accepted Answer

A)  var objName = { method: function() { commands } } 
B)  var objName = { command.function() { method() } } 
C)  var obj= { function() { commands } } 
D)  var objName = { function:method() { commands } } 
A)  var objName = { method: function() { commands } } 
B)  var objName = { command.function() { method() } } 
C)  var obj= { function() { commands } } 
D)  var objName = { function:method() { commands } }

Question 20

Which of the following commands is used to create a custom object using the new operator?

Accepted Answer

A)  var objName = new Object(); object.property = value; object.method = function() { commands }; 
B)  var objName = value; object.Name = value; object.property = function() { commands }; 
C)  var method = new Object(); object.property = value; object.objName = function() { commands }; 
D)  var objName = Object(); object.Name = Object(); object.method = function() { commands }; 
A)  var objName = new Object(); object.property = value; object.method = function() { commands }; 
B)  var objName = value; object.Name = value; object.property = function() { commands }; 
C)  var method = new Object(); object.property = value; object.objName = function() { commands }; 
D)  var objName = Object(); object.Name = Object(); object.method = function() { commands };

The nested function is hidden from other code in the script, making the code contained and easier to manage.

Identify the correct syntax to add methods to a custom object.

Simon uses the function.apply(thisObj[,argArray] method to call a method from another object class. In this method, argArray is a(n) _____.

Identify the apply() method used to borrow a method from one object class.

Write a note on nested functions.

Methods are shared between objects by applying or calling a method from one object for use in another object.

JavaScript objects do not support _____ like arrays do.

When you create a custom object using an object literal or by applying the new Object() command, you create a subclass of the _____.

Identify the significance of this keyword in the following constructor function. function objClass(parameters) { this.prop1 = value1; this.prop2 = value2; … this.method1 = function1; this.method2 = function2; … }

Case-Based Critical Thinking Questions Case 13-3 Thomas wants to create a custom object using the new operator. He applies the following commands: var objName = new Object(); object.property = value; object.method = function() { commands }; The new Object() statement is equivalent to a(n) _____.

. If the constructor function is a machine to create object instances, then the _____ is the blueprint for the objects that are created.

A _____ does not follow a specific order because properties can be listed and read out in any order.

To create a custom object as an object literal, you apply the create() method.

Explain how you can apply a for…in loop.

Identify the structure in which any function, including named functions, is nested within another function.

Which of the following should be used to examine the properties and keys of an object?

The biggest advantage of an object created either as an object literal or with the new Object() command is that the object is reusable.

Identify the name:value pair that includes a function name and its commands, which is used to add methods to a custom object.

Which of the following commands is used to create a custom object using the new operator?

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Graphic Design With Css Tutorial

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Designing a Web Form Tutorial

Enhancing a Website With Multimedia Tutorial

Getting Started With Javascript Tutorial

Exploring Arrays Loops and Conditional Statements Tutorial

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Working With Document Nodes and Style Sheets Tutorial

Programming for Web Forms Tutorial

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Exam 14: Exploring Object-Based Programming

The nested function is hidden from other code in the script, making the code contained and easier to manage.

Identify the correct syntax to add methods to a custom object.

Simon uses the function.apply(thisObj[,argArray] method to call a method from another object class. In this method, argArray is a(n) _____.

Identify the apply() method used to borrow a method from one object class.

Write a note on nested functions.

Methods are shared between objects by applying or calling a method from one object for use in another object.

JavaScript objects do not support _____ like arrays do.

When you create a custom object using an object literal or by applying the new Object() command, you create a subclass of the _____.

Identify the significance of this keyword in the following constructor function. function objClass(parameters) { this.prop1 = value1; this.prop2 = value2; … this.method1 = function1; this.method2 = function2; … }

Case-Based Critical Thinking Questions Case 13-3 Thomas wants to create a custom object using the new operator. He applies the following commands: var objName = new Object(); object.property = value; object.method = function() { commands }; The new Object() statement is equivalent to a(n) _____.

. If the constructor function is a machine to create object instances, then the _____ is the blueprint for the objects that are created.

A _____ does not follow a specific order because properties can be listed and read out in any order.

To create a custom object as an object literal, you apply the create() method.

Explain how you can apply a for…in loop.

Identify the structure in which any function, including named functions, is nested within another function.

Which of the following should be used to examine the properties and keys of an object?

The biggest advantage of an object created either as an object literal or with the new Object() command is that the object is reusable.

Identify the name:value pair that includes a function name and its commands, which is used to add methods to a custom object.

Which of the following commands is used to create a custom object using the new operator?

Getting Started With Html5

Getting Started With Css Tutorial

Designing a Page Layout Tutorial

Graphic Design With Css Tutorial

Designing for the Mobile Web Tutorial

Working With Tables and Columns Tutorial

Designing a Web Form Tutorial

Enhancing a Website With Multimedia Tutorial

Getting Started With Javascript Tutorial

Exploring Arrays Loops and Conditional Statements Tutorial

Working With Events and Styles Tutorial

Working With Document Nodes and Style Sheets Tutorial

Programming for Web Forms Tutorial

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