JavaScript

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

3. Where is the correct place to insert a JavaScript? The <body> section Both the <head> section and the <body> section are correct The <head> section

B

10. How to write an IF statement for executing some code if "i" is NOT equal to 5? if (i != 5) if i =! 5 then if i <> 5 if (i <> 5)

A

1. Inside which HTML element do we put the JavaScript? <scripting> <javascript> <js> <script>

D

4. What is the correct syntax for referring to an external script called "xxx.js"? <script src="xxx.js"> <script name="xxx.js"> <script href="xxx.js">

A

6. How do you write "Hello World" in an alert box? msg("Hello World"); msgBox("Hello World"); alert("Hello World"); alertBox("Hello World");

C

16. How do you round the number 7.25, to the nearest integer? Math.round(7.25) rnd(7.25) Math.rnd(7.25) round(7.25)

A

18. 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");

A

15. 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"

B

17. How do you find the number with the highest value of x and y? ceil(x, y) Math.max(x, y) top(x, y) Math.ceil(x, y)

B

20. How can you detect the client's browser name? client.navName navigator.appName browser.name

B

9. How to write an IF statement in JavaScript? if i == 5 then if i = 5 then if i = 5 if (i == 5)

D

19. JavaScript is the same as Java. False True

False

5. The external JavaScript file must contain the <script> tag. False True

False

13. How can you add a comment in a JavaScript? 'This is a comment //This is a comment <!--This is a comment-->

B

11. How does a WHILE loop start? while (i <= 10; i++) while i = 1 to 10 while (i <= 10)

C

12. How does a FOR loop start? for i = 1 to 5 for (i <= 5; i++) for (i = 0; i <= 5; i++) for (i = 0; i <= 5)

C

14. How to insert a comment that 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*/

C

7. How do you create a function in JavaScript? function:myFunction() function = myFunction() function myFunction()

C

8. How do you call a function named "myFunction"? call myFunction() call function myFunction() myFunction()

C

2. What is the correct JavaScript syntax to write "Hello World"? ("Hello World"); response.write("Hello World"); echo "Hello World"; document.write("Hello World");

D


Ensembles d'études connexes

HIV- AIDS DRUGS -Pharmacy Week E

View Set

Lesson 1 Operating Systems Computer Literacy

View Set

Insurance Exam: Life Policy Riders, Provisions, Options and Eclusions

View Set

Reconnaissance and Security Operations

View Set

Chapter 23 (Management of Patients with Chest and Lower Respiratory Tract Disorders)

View Set

Chapter 16: Disorders of Brain Function

View Set

Chapter 2 the need for insurance (quiz)

View Set