TUTORIALS

Question Bank

1 .
Topic: Basic
Question:
What is Javascript?
Answer:

Not Available.

2 .
Topic: Basic
Question:
What are the differences between Java and Javascript?
Answer:

Not Available.

3 .
Topic: Basic
Question:
What are the differences between Javascript and ASP?
Answer:

Not Available.

4 .
Topic: Basic
Question:
What are the differences between Javascript and jQuery?
Answer:

Not Available.

5 .
Topic: Basic
Question:
What are the datatypes in JS?
Answer:

Not Available.

6 .
Topic: Basic
Question:
What is negative infinity?
Answer:

Not Available.

7 .
Topic: Basic
Question:
What does this keyword refer to?
Answer:

Not Available.

8 .
Topic: Basic
Question:
Explain how this works in JS?
Answer:

Not Available.

9 .
Topic: Basic
Question:
Differences between null, undeclared and undefined variable.
Answer:

Not Available.

10 .
Topic: Basic
Question:
Difference between view state and session state
Answer:

Not Available.

11 .
Topic: Basic
Question:
Is there automatic type conversion in JS?
Answer:

Not Available.

12 .
Topic: Basic
Question:
What are the two ways to read and write a file?
Answer:

Not Available.

13 .
Topic: Basic
Question:
What do you mean by variable typing?
Answer:

Not Available.

14 .
Topic: Basic
Question:
What are the two ways of creating a function?
Answer:

Not Available.

15 .
Topic: Basic
Question:
Explain how prototypal inheritance works?
Answer:

Not Available.

16 .
Topic: Basic
Question:
What is closure, with an example explain how/why you use it?
Answer:

Not Available.

17 .
Topic: Basic
Question:
What are anonymous classes?
Answer:

Not Available.

18 .
Topic: Basic
Question:
What is the typical use case of anonymous functions?
Answer:

Not Available.

19 .
Topic: Basic
Question:
How are timers handled?
Answer:

Not Available.

20 .
Topic: Basic
Question:
What is difference between == and ===?
Answer:

Not Available.

21 .
Topic: Basic
Question:
What is hoisting?
Answer:

Not Available.

22 .
Topic: Basic
Question:
What are the differences between let, var and const?
Answer:

Not Available.

23 .
Topic: Basic
Question:
What is the use of delete keyword?
Answer:

Not Available.

24 .
Topic: Basic
Question:
What are the 3 popup boxes?
Answer:

Not Available.

25 .
Topic: Basic
Question:
What is the use of void(0)?
Answer:

Not Available.

26 .
Topic: Basic
Question:
What are global variables?
Answer:

Not Available.

27 .
Topic: Basic
Question:
How are global variables declared in JS?
Answer:

Not Available.

28 .
Topic: Basic
Question:
What are the problems associated with using global variables?
Answer:

Not Available.

29 .
Topic: Basic
Question:
What is name function in JS?
Answer:

Not Available.

30 .
Topic: Basic
Question:
How are name function defined in JS?
Answer:

Not Available.

31 .
Topic: Basic
Question:
What is callback?
Answer:

Not Available.

32 .
Topic: Basic
Question:
What is prompt box?
Answer:

Not Available.

33 .
Topic: Basic
Question:
Explain the working of timers in JS?
Answer:

Not Available.

34 .
Topic: Basic
Question:
What is the limitations of using timers in JS?
Answer:

Not Available.

35 .
Topic: Basic
Question:
How can style or class of an element be changed?
Answer:

Not Available.

36 .
Topic: Basic
Question:
What are the variable naming conventions in JS?
Answer:

Not Available.

37 .
Topic: Basic
Question:
How does TypeOf Operator work?
Answer:

Not Available.

38 .
Topic: Basic
Question:
Differenciate between attribute and property.
Answer:

Not Available.

39 .
Topic: Basic
Question:
Does JS support automatic type conversion?
Answer:

Not Available.

40 .
Topic: Basic
Question:
How to detect the operating system on the client machine?
Answer:

Not Available.

41 .
Topic: Basic
Question:
List the types of popup boxes available in JS.
Answer:

Not Available.

42 .
Topic: Basic
Question:
What is the difference between alert box and confirmation box?
Answer:

Not Available.

43 .
Topic: Basic
Question:
What are the ways to define variables in JS?
Answer:

Not Available.

44 .
Topic: Basic
Question:
Differenciate between local storage and session storage.
Answer:

Not Available.

45 .
Topic: Basic
Question:
Expalin pop() mehod in JS.
Answer:

Not Available.

46 .
Topic: Basic
Question:
How can a page be forced to load another page in JavaScript?
Answer:

Not Available.

47 .
Topic: Basic
Question:
What are the disadvantage of using innerHTML in JS?
Answer:

Not Available.

48 .
Topic: Basic
Question:
How generic objects are created in JS?
Answer:

Not Available.

49 .
Topic: Basic
Question:
Difference between innerText and innerHTML.
Answer:

Not Available.

50 .
Topic: Basic
Question:
Difference between null,undefined and undeclared.
Answer:

Not Available.

51 .
Topic: Basic
Question:
What is NaN in JS?
Answer:

Not Available.

52 .
Topic: Basic
Question:
What is strict mode JS? How is it handled?
Answer:

Not Available.

53 .
Topic: Basic
Question:
Difference between call and apply with suitable examples.
Answer:

Not Available.

54 .
Topic: Basic
Question:
What are the different methods used to empty an array?
Answer:

Not Available.

55 .
Topic: Basic
Question:
What is the use of blur function?
Answer:

Not Available.

56 .
Topic: Basic
Question:
What is the use of push() method in JS?
Answer:

Not Available.

57 .
Topic: Basic
Question:
What is the use of unshift() method in JS?
Answer:

Not Available.

58 .
Topic: Basic
Question:
What is escape() and unescape() functions?
Answer:

Not Available.

59 .
Topic: Basic
Question:
What are encodeURI() and decodeURI()?
Answer:

Not Available.

60 .
Topic: Basic
Question:
Differenciate between window and document in JS.
Answer:

Not Available.

61 .
Topic: Basic
Question:
What is event bubbling in JS?
Answer:

Not Available.

62 .
Topic: Basic
Question:
How do JavaScript primitive/object types passed in functions?
Answer:

Not Available.

63 .
Topic: Basic
Question:
Explain window.onload
Answer:

Not Available.

64 .
Topic: Basic
Question:
Explain window.onDocumentReady
Answer:

Not Available.

65 .
Topic: Basic
Question:
How to append value to an array?
Answer:

Not Available.

66 .
Topic: Basic
Question:
Is JS case sensitive?
Answer:

Not Available.

67 .
Topic: Basic
Question:
Why is break and continue statements used?
Answer:

Not Available.

68 .
Topic: Basic
Question:
How are object properties assigned?
Answer:

Not Available.

69 .
Topic: Basic
Question:
What are screen objects?
Answer:

Not Available.

70 .
Topic: Basic
Question:
How are JavaScript and ECMA Script related?
Answer:

Not Available.

71 .
Topic: Basic
Question:
What are the different types of errors in JS?
Answer:

Not Available.

72 .
Topic: Basic
Question:
List out the different ways an HTML element can be accessed in a JavaScript code
Answer:

Not Available.

73 .
Topic: Basic
Question:
In how many ways a JavaScript code can be involved in an HTML file?
Answer:

Not Available.

74 .
Topic: Basic
Question:
How to create a cookie using JavaScript?
Answer:

Not Available.

75 .
Topic: Basic
Question:
How to read a cookie using JavaScript?
Answer:

Not Available.

76 .
Topic: Basic
Question:
How to delete a cookie using JavaScript?
Answer:

Not Available.

77 .
Topic: Basic
Question:
Name some of the built-in methods and the values returned by them
Answer:

Not Available.

78 .
Topic: Basic
Question:
Which keywords are used to handle exceptions?
Answer:

Not Available.

79 .
Topic: Basic
Question:
What is the function of delete operator?
Answer:

Not Available.

80 .
Topic: Basic
Question:
What are all the looping structures in JavaScript?
Answer:

Not Available.