Question 1

____________________ is the examination of individual statements in an executing program.

Accepted Answer

Tracing

Question 2

____ allows programs to handle errors as they occur in the execution of a program.

Accepted Answer

A)  Error coding 
B)  Form validation 
C)  Input validation 
D)  Exception handling 
A)  Error coding 
B)  Form validation 
C)  Input validation 
D)  Exception handling D

Question 3

Match between columns
                        Premises: A statement in the code at which program execution enters break mode
The first line of defense in locating bugs in JavaScript programs
Caused by incorrect use of JavaScript code or references to objects, methods, and variables that do not exist
Displays a value in a dialog box
Displays all local variables within the currently executing function, regardless of whether they have been initialized
Writing code that anticipates and handles potential problems
A JavaScript program that contains only the code you are testing
A list of expressions whose values are displayed and updated throughout the execution of a program
Any error in a program that causes it to function incorrectly
Identifying lines you think maybe causing problems and transforming them into comments

Accepted Answer

The Answer of bug and bulletproofing and window.alert() and commenting is...

Question 4

Which of the following JavaScript statements works like a breakpoint?

Accepted Answer

A)  break; 
B) "use strict"; 
C)  debugger; 
D)  console.log(); 
A)  break; 
B) "use strict"; 
C)  debugger; 
D)  console.log();

Question 5

The ____ is the ordered list maintained by a JavaScript processor containing all the procedures that have been called but have not yet finished processing.

Accepted Answer

A)  call queue 
B)  call heap 
C)  call stack 
D)  methods list 
A)  call queue 
B)  call heap 
C)  call stack 
D)  methods list

Question 6

____ is the temporary suspension of program execution so you can monitor values and trace program execution.

Accepted Answer

A) The call stack 
B) Break mode 
C) Debugging 
D) Tracing 
A) The call stack 
B) Break mode 
C) Debugging 
D) Tracing

Question 7

Briefly explain how to use comments to locate bugs with JavaScript.

Accepted Answer

Another method of locating bugs in a Jav

Question 8

You log values to the console using the window.alert()method.

Accepted Answer

A) True 
 B)False

Question 9

Name two tools you can use to analyze your HTML code for errors, and describe how to use them for this task.

Accepted Answer

One tool is an editor specialized for we

Question 10

You enclose code that may contain an exception in a ____ statement.

Accepted Answer

A)  throw 
B)  catch 
C)  throws 
D)  try 
A)  throw 
B)  catch 
C)  throws 
D)  try

Question 11

A ____ error occurs when the JavaScript interpreter encounters a problem while a program is executing.

Accepted Answer

A)  run-time 
B)  syntax 
C)  logic 
D)  browser 
A)  run-time 
B)  syntax 
C)  logic 
D)  browser

Question 12

In ____________________ mode, some features are removed from the language, while other features require more stringent syntax.

Accepted Answer

The answer of In ____________________ mode, some features are removed...

Question 13

Explain how strict mode can be useful in debugging.

Accepted Answer

While coding in strict mode may in fact

Question 14

What is the difference between a variables list and a watch list in browser debugging tools?

Accepted Answer

The debugging tools in all browsers disp

Question 15

Explain how access to the call stack is useful in debugging.

Accepted Answer

The call stack  is the ordered list  mai

Question 16

Writing values directly to the console is known as ____.

Accepted Answer

A) logging 
B) writing 
C) stepping out 
D) breaking 
A) logging 
B) writing 
C) stepping out 
D) breaking

Question 17

You use a ____ statement within a try block to specify an error message .

Accepted Answer

A)  catch 
B)  call 
C)  throw 
D)  throws 
A)  catch 
B)  call 
C)  throw 
D)  throws

Question 18

A program's ____  is the order in which various parts of the program run, or execute.

Accepted Answer

A) logic 
B) syntax 
C) call stack 
D) console 
A) logic 
B) syntax 
C) call stack 
D) console

Question 19

A ____ error occurs when the interpreter fails to recognize code.

Accepted Answer

A)  logic 
B)  syntax 
C)  web 
D)  run-time 
A)  logic 
B)  syntax 
C)  web 
D)  run-time

Question 20

Syntax refers to the order in which various parts of a program run, or execute.

Accepted Answer

A) True 
 B)False

____________________ is the examination of individual statements in an executing program.

____ allows programs to handle errors as they occur in the execution of a program.

Which of the following JavaScript statements works like a breakpoint?

The ____ is the ordered list maintained by a JavaScript processor containing all the procedures that have been called but have not yet finished processing.

____ is the temporary suspension of program execution so you can monitor values and trace program execution.

Briefly explain how to use comments to locate bugs with JavaScript.

You log values to the console using the window.alert()method.

Name two tools you can use to analyze your HTML code for errors, and describe how to use them for this task.

You enclose code that may contain an exception in a ____ statement.

A ____ error occurs when the JavaScript interpreter encounters a problem while a program is executing.

In ____________________ mode, some features are removed from the language, while other features require more stringent syntax.

Explain how strict mode can be useful in debugging.

What is the difference between a variables list and a watch list in browser debugging tools?

Explain how access to the call stack is useful in debugging.

Writing values directly to the console is known as ____.

You use a ____ statement within a try block to specify an error message .

A program's ____ is the order in which various parts of the program run, or execute.

A ____ error occurs when the interpreter fails to recognize code.

Syntax refers to the order in which various parts of a program run, or execute.

Introduction to Javascript

Working With Functions Data Types and Operators

Building Arrays and Controlling Flow

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Updating Web Pages With Ajax

Introduction to Jquery

Filters

Exam 4: Debugging and Error Handling

____________________ is the examination of individual statements in an executing program.

____ allows programs to handle errors as they occur in the execution of a program.

Which of the following JavaScript statements works like a breakpoint?

The ____ is the ordered list maintained by a JavaScript processor containing all the procedures that have been called but have not yet finished processing.

____ is the temporary suspension of program execution so you can monitor values and trace program execution.

Briefly explain how to use comments to locate bugs with JavaScript.

You log values to the console using the window.alert()method.

Name two tools you can use to analyze your HTML code for errors, and describe how to use them for this task.

You enclose code that may contain an exception in a ____ statement.

A ____ error occurs when the JavaScript interpreter encounters a problem while a program is executing.

In ____________________ mode, some features are removed from the language, while other features require more stringent syntax.

Explain how strict mode can be useful in debugging.

What is the difference between a variables list and a watch list in browser debugging tools?

Explain how access to the call stack is useful in debugging.

Writing values directly to the console is known as ____.

You use a ____ statement within a try block to specify an error message .

A program's ____ is the order in which various parts of the program run, or execute.

A ____ error occurs when the interpreter fails to recognize code.

Syntax refers to the order in which various parts of a program run, or execute.

Introduction to Javascript

Working With Functions Data Types and Operators

Building Arrays and Controlling Flow

Working With the Document Object Model Dom and Dhtml

Enhancing and Validating Forms

Using Object Oriented Javascript

Manipulating Data in Strings and Arrays

Managing State Information and Security

Programming for Mobile Devices and Touchscreens

Updating Web Pages With Ajax

Introduction to Jquery

Filters