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Full Stack Developer Quiz I

Home
About Me
Website Tutorial
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Intro to computers videos
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Full Stack Developer Quiz I

Full Stack Developer Quiz III

Instructor : Jane Sferrazza CLASS: Full Stack Developer. SESSION: Weekdays

Quiz 3

November 14, 2024

Name

Email

Phone

1. What is the correct JavaScript syntax to change the content of the HTML element below? <p id="demo">This is a demonstration.

document.getElementById("demo").innerHTML = "Hello World!";

#demo.innnetHTML = "HELLO world";

document.getElement("p").innerHTML = "HELLO World";

None

2. Which operator is used to assign a value to a variable?

*

X

-

=

None

3. Is JavaScript case-sensitive?

True

False

None

4. What will the following code return: Boolean(10>9)

False

True

Undefined

None

5. How do you declare a JavaScript variable?

var carName

Name car

variable carName

v carname

None

6. Which event occurs when the user clicks on an HTML element?

onchange

onmouseover

onclick

onmouseclick

None

7. What is the correct JavaScript syntax for opening a new window called "w2" ?

w2 = window.open("http://www.w3schools.com");

w2 = window.new("http://www.w3schools.com");

None

8. What is the correct way to write a JavaScript array?

var colors = (1:"red", 2:"green", 3:"blue")

var colors = "red", "green", "blue"

var colors = 1 = ("red"), 2 = ("green"), 3 = ("blue")

var colors = ["red", "green", "blue"]

None

9. How can you add a comment in a JavaScript?

//This is a comment

'This is a comment

None

10. How does a FOR loop start?

for (i = 0; i++)

for ( i <= 5; i++)

for (i = 0; i <= 5)

for (i = 0; i <= 5; i++)

None

11. How does a WHILE loop start?

while i = 1 to 10

while (i <= 10; i++)

while (i <= 10)

None

12. How to write an IF statement for executing some code if "i" is NOT equal to 5?

if i =! 5 then

if i 5

if (i != 5)

if (i 5)

None

13. How to write an IF statement in JavaScript?

if i = 5 then

if i == 5 then

if i = 5

if (i == 5)

None

14. How do you call a function named "myFunction"?

call myFunction()

call function myFunction()

myFunction()

None

15. How do you write "Hello World" in an alert box?

alert("Hello World");

msg("Hello World");

msgBox("Hello World");

None

16. The external JavaScript file must contain the script tag.

True

False

None

17. What is the correct syntax for referring to an external script called "xxx.js"?

script src="xxx.js"

script href="xxx.js"

script name="xxx.js"

None

18. Where is the correct place to insert a JavaScript?

head

body

Both the head and the body are correct

None

19. Inside which HTML element do we put the JavaScript?

script

js

javascript

scripting

None

20. Which one is a Javascript DATA type:

Number

java

var

let

const

None

Time's up

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