WEEK 3 Quiz module

ANSWERS ARE MARKED WITH (T) SIGN.

1. Question 1 What value does JavaScript have to websites? (Select all that apply.)

JavaScript makes websites interactive. (T)

JavaScript improves security.

JavaScript validates user input. (T)

JavaScript prevents errors

2. Question 2 Is JavaScript case sensitive?

Yes, it is case sensitive. (T)

It depends on the browser you are using.

No, it is not case sensitive.

Case sensitivity is recommended, but optional.

3. Question 3 Which of these is not a purpose of JavaScript?

Making webpages more interactive.

Preventing webpages from getting errors. (T)

Dynamically updating HTML.

Validating user input on webpages.

4. Question 4 Which symbols does JavaScript use to create comments?

??

\\

**

<!– –>

// (T)

5. Question 5 Which of these operators is the equality operator?

*

=

/

+

== (T)

6. Question 6 Which of the following is true of script tags?

Using script tags is usually a syntax error.

Script tags do not require a closing tag.

They are required for HTML

They are required for JavaScript (T)

7. Question 7 Which of these is an ability that JavaScript has that HTML does not have?

Do things repetitively (T)

Using CSS

Displaying text

Displaying images

8. Question 8 Using JavaScript to get an HTML element by its ID requires which function name starting with document?

document.getElementById (T)

document.GetElementById

document.getElementbyID

document.getElementId

None of these

9. Question 9 We can determine the length of a string in JavaScript by

Using the size property

Assessing the length property (T)

Counting HTML tags

The length cannot be determined

10. Question 10 A JavaScript “if” statement allows us to

End a program gracefully

Make decisions based on true/false (T)

Make HTML more efficient

Use the keyword then as if then

Erase variables

11. Question 11 JavaScript onclick is most effectively used with: (Select all that apply)

Entire HTML pages

Buttons (T)

Paragraphs

Images (T)