Sunday, September 8, 2013

W3Schools JavaScript Quiz

W3Schools JavaScript Quiz

1. Inside which HTML element do we put the JavaScript?
You answered:<script>
 Correct Answer!

2. What is the correct JavaScript syntax to write "Hello World"?
You answered:document.write("Hello World");
 Correct Answer!

3. Where is the correct place to insert a JavaScript?
You answered:Both the <head> section and the <body> section are correct
 Correct Answer!

4. What is the correct syntax for referring to an external script called "xxx.js"?
You answered:<script src="xxx.js">
 Correct Answer!

5. The external JavaScript file must contain the <script> tag.
You answered:False
 Correct Answer!

6. How do you write "Hello World" in an alert box?
You answered:alert("Hello World");
 Correct Answer!

7. How do you create a function in JavaScript?
You answered:function myFunction()
 Correct Answer!

8. How do you call a function named "myFunction"?
You answered:myFunction()
 Correct Answer!

9. How to write an IF statement in JavaScript?
You answered:if (i==5)
 Correct Answer!

10. How to write an IF statement for executing some code if "i" is NOT equal to 5?
You answered:if (i != 5)
 Correct Answer!

11. How does a WHILE loop start?
You answered:while (i<=10)
 Correct Answer!

12. How does a FOR loop start?
You answered:for (i = 0; i <= 5; i++)
 Correct Answer!

13. How can you add a comment in a JavaScript?
You answered://This is a comment
 Correct Answer!

14. How to insert a comment that has more than one line?
You answered:/*This comment has
more than one line*/
 Correct Answer!

15. What is the correct way to write a JavaScript array?
You answered:var txt = new Array("tim","kim","jim")
 Correct Answer!

16. How do you round the number 7.25, to the nearest integer?
You answered:Math.round(7.25)
 Correct Answer!

17. How do you find the number with the highest value of x and y?
You answered:Math.max(x,y)
 Correct Answer!

18. What is the correct JavaScript syntax for opening a new window called "w2" ?
You answered:w2=window.open("http://www.w3schools.com");
 Correct Answer!

19. JavaScript is the same as Java.
You answered:False
 Correct Answer!

20. How can you detect the client's browser name?
You answered:navigator.appName
 Correct Answer!

3 comments:

  1. Thanks! you just made me get a hundred in the javascript exam of my class.they copy the questions of w3 schools

    ReplyDelete
  2. then 5 questions

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

    You answered:

    onclick
    Correct Answer!

    22. How do you declare a JavaScript variable?

    You answered:

    var carName;
    Correct Answer!

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

    You answered:

    =
    Correct Answer!

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

    You answered:

    true
    Correct Answer!

    25. Is JavaScript case-sensitive?

    You answered:

    Yes

    Correct Answer!

    ReplyDelete