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JavaScript Interview Questions and Answers
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Questions
JavaScript
0
votes
Q: From which version of IE is canvas supported?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
canvas
javascript
0
votes
Q: What must be done in order to implement Lexical Scoping?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
lexical-scoping
javascript
0
votes
Q: What does the interpreter do when you reference variables in other scopes?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
reference-variables
javascript
0
votes
Q: Consider the code snippet given below var count = [1,,3];
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
code-snippet
javascript
0
votes
Q: Which is the handler method used to invoke when uncaught JavaScript exceptions occur?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
handler-method
0
votes
Q: The meaning for Augmenting classes is that:
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
augmenting-classes
javascript
0
votes
Q: Javascript is ideal to?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
0
votes
Q: Which among the following POSIX signals generate events?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
posix
javascript
0
votes
Q: What is the purpose of the Attr object in the HTML DOM?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
dom
html
0
votes
Q: What is the default value of the asyc attribute?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
asyc-attributes
javascript
0
votes
Q: Consider the following code snippet
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
code
0
votes
Q: Which tag(s) can handle mouse events in Netscape?
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
tags
0
votes
Q: The _______ method of an Array object adds and/or removes elements from an array.
asked
Oct 8, 2022
in
JavaScript
by
rajeshsharma
javascript
0
votes
Q: In Rails, what caching stores can be used?
asked
Sep 2, 2022
in
JavaScript
by
DavidAnderson
ruby-on-rail
0
votes
Q: Jest Questions and Answers
asked
Aug 30, 2022
in
JavaScript
by
DavidAnderson
jest
0
votes
Q: JavaScript Essentials Multiple Choice Questions with Hands-on Solution
asked
Jul 2, 2022
in
JavaScript
by
sharadyadav1986
javascript
0
votes
Q: How to submit a form using JavaScript by clicking a link?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
form-submission
javascript
0
votes
Q: How can we detect OS of the client machine using JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
client-machine
javascript
0
votes
Q: What are the pop-up boxes available in JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
pop-up-box
0
votes
Q: What is this [[[]]]?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
javascript
0
votes
Q: How to set the cursor to wait in JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
javascript-wait
0
votes
Q: What is the difference between undefined value and null value?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
undefined-values
null-value
0
votes
Q: How can you check if the event.preventDefault() method was used in an element?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
event-preventdefault
0
votes
Q: What is the real name of JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
javascript
0
votes
Q: What's the difference between event.preventDefault() and event.stopPropagation() methods in JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
event-preventdefault
event-stoppropagation
0
votes
Q: In which location cookies are stored on the hard disk?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
javascript
cookies
0
votes
Q: Difference between Client side JavaScript and Server side JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
clientside-javascript
server-side-javascript
0
votes
Q: What is the output of 10+20+"30" in JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
javascript
function
0
votes
Q: What does the isNaN() function?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
isnan
javascript
0
votes
Q: How to create an array in JavaScript?
asked
Jun 9, 2022
in
JavaScript
by
sharadyadav1986
array
javascript
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