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JavaScript Interview Questions and Answers
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Questions
JavaScript
0
votes
If the following lines of code differ, what is the difference?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
data-types
boolean
0
votes
Which one of the given options can be considered as a code equivalent to the following code?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
function
object
0
votes
What output will come if we run the following part of the JavaScript code?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
output-code
0
votes
What will happen if we execute the following code of JavaScript?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
function
0
votes
What will be the correct output of the following JavaScript code?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
output-value
0
votes
What will be the correct output of the following JavaScript code?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
output
0
votes
Which of the following values will be returned by the last statement in the given code?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
function
0
votes
Which one of the following codes is correct for concatenating the strings passed into the function?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
function
value-return
0
votes
In JavaScript, do the functions always return a value?
asked
Mar 24, 2021
in
JavaScript
by
sharadyadav1986
javascript
function
return-value
0
votes
Which one of the following keywords is used for defining the function in the JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
funciton
code
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
output
code
program
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
output
code
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
output
code
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
Which one of the following code is equivalent to the following given code?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code
program
0
votes
Which one of the following code is equivalent to call a function "x" of the class "a" which have two arguments g and h?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
out-put-code
0
votes
Which one of the following options is the correct output for the given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
What happens if the return statement has no related expression?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
expression
javascript
keyword
0
votes
In JavaScript, the definition of a function starts with____
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascipt
definition
function
0
votes
In which events/scenarios, A function name gets optional in JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
events
scenario
0
votes
The execution of a function stops when the program control encounters the _________ statement in the body of the function.
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
program-control
javascript
0
votes
If a function which does not return a value is known as _____
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
return-function
return-statement
0
votes
What is the primary role of the "return ()" statement in a function body?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
return-function
0
votes
What will be the output of the following JavaScript code?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
output-code
0
votes
What output we may get if we execute the following JavaScript code:
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
What will happen if we execute the following piece of code?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
What will be the output of the following given code of JavaScript?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
code-output
0
votes
What will happen if we use the "join()" method along with the "reverse()" method?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
join
reverse
javascript
0
votes
Which one of the following given task is performed by the "pop()" method of the array?
asked
Mar 23, 2021
in
JavaScript
by
sharadyadav1986
javascript
elements
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