Question 1

Identify a syntax to set the time-delayed commands.

Accepted Answer

A)  ​SettimeOut(delay); 
B)  ​Setinterval(interval); 
C)  ​setTimeout("command",delay); 
D)  ​setInterval("command",interval); 
A)  ​SettimeOut(delay); 
B)  ​Setinterval(interval); 
C)  ​setTimeout("command",delay); 
D)  ​setInterval("command",interval); C

Question 2

JavaScript is a procedural language that needs a compiler to translate the code into machine language.

Accepted Answer

A) True 
 B)False  False

Question 3

Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

Accepted Answer

A) True 
 B)False  True

Question 4

Identify the property that best matches the following style rules.
-It is a command to create a dialog box containing a message.

Accepted Answer

A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string) 
A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string)

Question 5

Explain the syntax rules that must be maintained when writing JavaScript commands.

Accepted Answer

Following are some syntax rules for wr

Question 6

The variables or expressions that operators act upon are called _________.

Accepted Answer

The answer of The variables or expressions that operators act...

Question 7

A(n)_________ can be created by omitting the src attribute and placing all of the JavaScript code within the script element so that an external file need not be used.

Accepted Answer

The answer of A(n)_________ can be created by omitting the...

Question 8

Terin has created a page for a training institute that will allow users to browse the training courses provided at the institute. Terin uses JavaScript to write the content using objects and functions. The objects defined in the code are document object, history object, screen object, navigator object, and the location object.
-Identify an object created by Terin that will contain information about the current URL.

Accepted Answer

A)   history object 
B)   screen object 
C)   ocation object 
D)   navigator object 
A)   history object 
B)   screen object 
C)   ocation object 
D)   navigator object

Question 9

The browser halts loading a script before trying to execute it if a(n)_________ is detected.

Accepted Answer

The answer of The browser halts loading a script before...

Question 10

A logical error is the easiest to fix as the errors in the code can be traced easily.

Accepted Answer

A) True 
 B)False

Question 11

The technique for locating the source of an error is to set up _____,which are locations where the browser will pause the program,allowing the programmer to determine the error at that position.

Accepted Answer

A)  ​breakpoints 
B)  ​thresholds 
C)  ​blocks 
D)  ​lapses 
A)  ​breakpoints 
B)  ​thresholds 
C)  ​blocks 
D)  ​lapses

Question 12

The _____ property should be used only when no markup tags are involved.

Accepted Answer

A)  ​innerHTML 
B)  ​outerHTML 
C)  ​textContent 
D)  ​insertAdjacentHTML 
A)  ​innerHTML 
B)  ​outerHTML 
C)  ​textContent 
D)  ​insertAdjacentHTML

Question 13

Identify an expression that can be used to refer an element by its id attribute.

Accepted Answer

A)  ​document.getElementById(id) 
B)  ​Document.getElementbyID(id) 
C)  ​document.getelementById(id) 
D)  ​Document.getelementByID(id) 
A)  ​document.getElementById(id) 
B)  ​Document.getElementbyID(id) 
C)  ​document.getelementById(id) 
D)  ​Document.getelementByID(id)

Question 14

Identify a property used to refer an HTML code that is stored within a page element.

Accepted Answer

A)  ​element.innerHTML 
B)  ​element.textContent 
C)  ​element.offsetTop 
D)  ​element.insertAdjacentHTML 
A)  ​element.innerHTML 
B)  ​element.textContent 
C)  ​element.offsetTop 
D)  ​element.insertAdjacentHTML

Question 15

Identify the property that best matches the following style rules.
-It returns the text within element disregarding any HTML tags.

Accepted Answer

A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string) 
A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string)

Question 16

Identify the property that best matches the following style rules.
-It appears when a fault happens when a browser is unable to complete a line of code.

Accepted Answer

A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string) 
A)  window.alert(" "); 
B)  value.toPrecision(n) 
C)  collection[idref] 
D)  element.outerHTML 
E)  document.anchors
F) element.textContent
G) Decrement operator
H) Run-time error
I) value.toFixed(n)
J) parseInt(string)

Question 17

When writing an HTML code,changing the value of the _________ property overwrites whatever content is currently contained within the selected object.

Accepted Answer

The answer of When writing an HTML code,changing the value...

Question 18

Identify a command that displays a dialog box containing the message "Hello World!".

Accepted Answer

A)  ​Window.alert("Hello World!"); 
B)  ​Window.Alert("Hello World!"); 
C)  ​window.alert("Hello World!"); 
D)  ​window.Alert("Hello World!"); 
A)  ​Window.alert("Hello World!"); 
B)  ​Window.Alert("Hello World!"); 
C)  ​window.alert("Hello World!"); 
D)  ​window.Alert("Hello World!");

Question 19

Which of the following methods of the Math operator rounds x up to the next highest integer?

Accepted Answer

A)  ​Math.round(x) 
B)  ​Math.ceil(x) 
C)  ​Math.rand(x) 
D)  ​Math.floor(x) 
A)  ​Math.round(x) 
B)  ​Math.ceil(x) 
C)  ​Math.rand(x) 
D)  ​Math.floor(x)

Question 20

JavaScript is used as a programming tool for:

Accepted Answer

A)  ​managing databases. 
B)  ​designing style sheets for websites. 
C)  ​creating interactive web forms and animated graphics. 
D)  ​providing virtual reality,diagnosis,and nonlinear controls. 
A)  ​managing databases. 
B)  ​designing style sheets for websites. 
C)  ​creating interactive web forms and animated graphics. 
D)  ​providing virtual reality,diagnosis,and nonlinear controls.

Identify a syntax to set the time-delayed commands.

JavaScript is a procedural language that needs a compiler to translate the code into machine language.

Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

Identify the property that best matches the following style rules. -It is a command to create a dialog box containing a message.

Explain the syntax rules that must be maintained when writing JavaScript commands.

The variables or expressions that operators act upon are called _________.

A(n)_________ can be created by omitting the src attribute and placing all of the JavaScript code within the script element so that an external file need not be used.

The browser halts loading a script before trying to execute it if a(n)_________ is detected.

A logical error is the easiest to fix as the errors in the code can be traced easily.

The technique for locating the source of an error is to set up _____,which are locations where the browser will pause the program,allowing the programmer to determine the error at that position.

The _____ property should be used only when no markup tags are involved.

Identify an expression that can be used to refer an element by its id attribute.

Identify a property used to refer an HTML code that is stored within a page element.

Identify the property that best matches the following style rules. -It returns the text within element disregarding any HTML tags.

Identify the property that best matches the following style rules. -It appears when a fault happens when a browser is unable to complete a line of code.

When writing an HTML code,changing the value of the _________ property overwrites whatever content is currently contained within the selected object.

Identify a command that displays a dialog box containing the message "Hello World!".

Which of the following methods of the Math operator rounds x up to the next highest integer?

JavaScript is used as a programming tool for:

Getting Started With Html5

Getting Started With CSS

Designing a Page Layout

Graphic Design With CSS

Designing for the Mobile Web

Working With Tables and Columns

Designing a Web Form

Enhancing a Website With Multimedia

Exploring Arrays, loops, and Conditional Statements

Filters

Exam 9: Getting Started With Javascript

Identify a syntax to set the time-delayed commands.

JavaScript is a procedural language that needs a compiler to translate the code into machine language.

Any command that references a document object before the browser has parsed the HTML code will result in an error because those objects do not yet reside in memory.

Identify the property that best matches the following style rules. -It is a command to create a dialog box containing a message.

Explain the syntax rules that must be maintained when writing JavaScript commands.

The variables or expressions that operators act upon are called _________.

A(n)_________ can be created by omitting the src attribute and placing all of the JavaScript code within the script element so that an external file need not be used.

The browser halts loading a script before trying to execute it if a(n)_________ is detected.

A logical error is the easiest to fix as the errors in the code can be traced easily.

The technique for locating the source of an error is to set up _____,which are locations where the browser will pause the program,allowing the programmer to determine the error at that position.

The _____ property should be used only when no markup tags are involved.

Identify an expression that can be used to refer an element by its id attribute.

Identify a property used to refer an HTML code that is stored within a page element.

Identify the property that best matches the following style rules. -It returns the text within element disregarding any HTML tags.

Identify the property that best matches the following style rules. -It appears when a fault happens when a browser is unable to complete a line of code.

When writing an HTML code,changing the value of the _________ property overwrites whatever content is currently contained within the selected object.

Identify a command that displays a dialog box containing the message "Hello World!".

Which of the following methods of the Math operator rounds x up to the next highest integer?

JavaScript is used as a programming tool for:

Getting Started With Html5

Getting Started With CSS

Designing a Page Layout

Graphic Design With CSS

Designing for the Mobile Web

Working With Tables and Columns

Designing a Web Form

Enhancing a Website With Multimedia

Exploring Arrays, loops, and Conditional Statements

Filters