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JavaScript Interview Questions and Answers
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Questions
JavaScript
0
votes
What Is Javascript?
asked
Dec 3, 2019
in
JavaScript
by
rajeshsharma
#what-is-javascript
0
votes
How To Embed Javascript In A Web Page?
asked
Dec 3, 2019
in
JavaScript
by
rajeshsharma
#embed-javascript
+1
vote
How To Comment Javascript Code?
asked
Dec 3, 2019
in
JavaScript
by
rajeshsharma
#javascript-comment
0
votes
How To Hide Javascript Code From Old Browsers That Dont Run It?
asked
Dec 3, 2019
in
JavaScript
by
rajeshsharma
#javascript-browser
0
votes
What is JScript?
asked
Nov 22, 2019
in
JavaScript
by
AdilsonLima
0
votes
Difference Between JavaScript vs JScript
asked
Nov 22, 2019
in
JavaScript
by
AdilsonLima
0
votes
How to create a Cookie using JavaScript?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
cookie-access
cookies
javascript-cookies
0
votes
Can you access Cookie using javascript?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
cookie-access
cookies
javascript-cookies
0
votes
What typeof returns for a null value?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
typeof-returns
0
votes
How typeof operator works?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
typeof-operator
0
votes
What are the variable naming conventions in JavaScript?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
naming-conventions
+1
vote
Which built-in method returns the string representation of the number's value?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-representation
0
votes
Which built-in method returns the calling string value converted to upper case?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-conversion
0
votes
Which built-in method returns the calling string value converted to lower case?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-characters
string-method
method-of-javascript
0
votes
Which built-in method returns the characters in a string beginning at the specified location?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-characters
string-method
method-of-javascript
0
votes
Which built-in method sorts the elements of an array?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-functions
built-in-method
elements-of-array
0
votes
Which built-in method reverses the order of the elements of an array?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
built-in-method
array-elements
elements-of-array
0
votes
Which built-in method adds one or more elements to the end of an array and returns the new length of the array?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
array
java-array
string-functions
javascript-method
0
votes
Which built-in method removes the last element from an array and returns that element?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-method
string-functions
0
votes
Which built-in method returns the length of the string?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-length
javascript-method
0
votes
Which built-in method returns the index within the calling String object of the first occurrence of the specified value?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
method-of-javascript
string-method
javascript-method
0
votes
Which built-in method calls a function for each element in the array?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
javascript-method
method-of-javascript
string-method
0
votes
Which built-in method combines the text of two strings and returns a new string?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
string-method
javascript-method
method-of-javascript
0
votes
Which built-in method returns the character at the specified index?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
javascript-method
0
votes
Give an example of closure?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
example-of-closure
closure-in-javascript
closure-example
0
votes
What is closure?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
what-is-closure
closure-example
javascript-closure
closure-in-javascript
0
votes
What is callback?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
what-is-callback
javascript-callback
callback-in-javascript
0
votes
What are the valid scopes of a variable in JavaScript?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
valid-scope
variable-scope
scope-of-variable
0
votes
What is the purpose of 'this' operator in JavaScript?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
this-operator
javascript-operator
operator-in-javascript
0
votes
How can you get the reference of a caller function inside a function?
asked
Oct 19, 2019
in
JavaScript
by
SakshiSharma
caller-reference
reference-of-caller
javascript-function
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