Softech Computer Education

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Web Designing and Publishing - Topic - JavaScript

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

2 points

<js>

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

2 points

The <head> section

Both the <head> section and the <body> section are correct

The <body> section

The <title> section

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

2 points

<"script src=xxx,jss">

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4. The external JavaScript file must contain the <script> tag.

2 points

True

False

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

2 points

alertBox("Hello World");

msg("Hello World");

alert("Hello World");

msgBox("Hello World");

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6. How do you create a function in JavaScript?

2 points

function myFunction()

function: myFunction()

function = myFunction

function; my function

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

2 points

call myFunction()

myFunction()

call function myFunction()

call myfunction

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8. How to write an IF statement in JavaScript?

2 points

if i = 5

if i = 5 then

if i == 5 then

if (i == 5)

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

2 points

if (i <> 5)

if (i != 5)

if i <> 5

if i =! 5 then

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10. How does a WHILE loop start?

2 points

while i = 1 to 10

while ( i < = 10)

while ( i < = 10; i++)

while ( i > = 10)

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11. How does a FOR loop start?

2 points

for (i = 0; i <= 5)

for i = 1 to 5

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

for (i <= 5; i++)

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

2 points

Option This is a comment

//This is a comment

<--this is a comment-->

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13. How to insert a comment that has more than one line?

2 points

<! This comment has more than one line-->

/*This comment has more than one line*/

//This comment has more than one line//

# this comment has more than one line-->

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

2 points

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

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

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

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

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15. How do you round the number 7.25, to the nearest integer?

2 points

Math.round(7.25)

Math.rnd(7.25)

rnd(7.25)

round(7.25)

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16. How do you find the number with the highest value of x and y?

2 points

Math.ceil(x, y)

Math.max(x, y)

top(x, y)

ceil(x, y)

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

2 points

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

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

window. open("http://wwww3school.com"):

Window. New("http://www3school.com");

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18. JavaScript is the same as Java.

2 points

True

False

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19. How can you detect the client's browser name?

2 points

Client.navName

browser.name

navigator.appName

browser.appName

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

2 points

Onechange

onemouseclick

onmouseover

onclick

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21. How do you declare a JavaScript variable?

2 points

Vairable carName

V CarName

Var carName

Vairable Name

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

2 points

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

2 points

False

None

True

Both A and b

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24. Is JavaScript case-sensitive?

2 points

Yes

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

2 points

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

document.getElement("p").innerHTML = "Hello World!";

#demo.innerHTML = "Hello World!";

document.getElementByName("p").innerHTML = "Hello World!"

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