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TUTORIALS
oodlescoop
Tutorials
JavaScript
Question Bank
Show Categories
JavaScript
Programs
Question Bank
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.
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