Introduction To Web Development week 3 Quiz Answer

Introduction To Web Development

week 3 Quiz Answer

Q1) What value does JavaScript have to websites? (Select all that apply.)

JavaScript makes websites interactive
JavaScript improves security.
JavaScript validates user input
JavaScript prevents errors

Q2) Is JavaScript case sensitive?

Yes, it is case sensitive
It depends on the browser you are using.
No, it is not case sensitive.
Case sensitivity is recommended, but optional.

Q3) Which of these is not a purpose of JavaScript?

Making webpages more interactive.
Dynamically updating HTML.
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Validating user input on webpages.
Preventing webpages from getting errors

Q4) Which symbols does JavaScript use to create comments?

??
\\
**
<!– –>
//

Q5) Which of these operators is the equality operator?

Q6) 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

Q7) Which of these is an ability that JavaScript has that HTML does not have?

Using CSS
Displaying text
Do things repetitively
Displaying images

Q8) Using JavaScript to get an HTML element by its ID requires which function name starting with document?

document.getElementById
document.GetElementById
document.getElementbyID
document.getElementId
None of these

Q9) We can determine the length of a string in JavaScript by

Counting HTML tags
Using the size property
Assessing the length property
The length cannot be determined

Q10) Question 10 A JavaScript “if” statement allows us to

End a program gracefully
Make decisions based on true/false
Make HTML more efficient
Use the keyword then as if then
Erase variables

Q11) JavaScript onclick is most effectively used with: (Select all that apply)

Entire HTML pages
Buttons
Paragraphs
Images

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