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JavaScript Interview Questions and Answers
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Questions
JavaScript
0
votes
See the given code of JavaScript and choose the correct output from the following:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-code-output
0
votes
Find out the correct output of the following given piece of code from the given options:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-output
0
votes
What will be the output of the following JavaScript code?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-code
javascript-output
0
votes
See the given code of JavaScript and choose the correct output from the following:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-code
javascript
output-javascript
0
votes
Suppose we have a text "human" that we want to convert into string without using the "new" operator.
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-string
string-function
0
votes
Choose the correct snippet from the following to check if the variable "a" is not equal the "NULL":
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-operators
operators-in-javascript
javascrript
0
votes
In JavaScript the x===y statement implies that:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-comparision
comparision-operator
0
votes
Which of the following function of the String object returns the character in the string starting at the specified position via the specified?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-string-function
javascipt-function
javascript
0
votes
Which of the following number object function returns the value of the number?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
object-function
javascript-object
0
votes
Which of the following givenfunctions of the Number Object formats a number with a different number of digits to the right of the decimal?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-object
object-javascript
0
votes
In the JavaScript, which one of the following is not considered as an error:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-code
javascript-code-error
0
votes
When there is an indefinite or an infinite value during an arithmetic computation in a program, then JavaScript prints______.
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-arithmetic
arithmetic-computation
0
votes
Which of the following option is used as hexadecimal literal beginning?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
hexadecimal-literal
javascript-literal
0
votes
Which of the following type of a variable is volatile?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-variable
0
votes
Which one of the following is the correct way for calling the JavaScript code?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-function-call
0
votes
Which of the following variables takes precedence over the others if the names are the same?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-variables
variables
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-code
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-code
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-code
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-code
javascript
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-code
javascript
javascript-loop
0
votes
What will happen, if the following JavaScript code is executed?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
java-script
javascript-code
0
votes
In the following given syntax of the switch statement, the Expression is compared with the labels using which one of the following operators?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
java-script-expression
expression
0
votes
The "function" and " var" are known as:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-var
javascript-function
function
0
votes
When interpreter encounters an empty statements, what it will do:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-statements
0
votes
In JavaScript, what is a block of statement?
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript
javascript-block
0
votes
Among the following given JavaScript snipped codes, which is more efficient:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascript-code
javascript
javascript-loop
0
votes
Which one of the following also known as Conditional Expression:
asked
Mar 20, 2021
in
JavaScript
by
sharadyadav1986
javascrript
javascript-conditional-expression
0
votes
Which of the following is the correct output for the following JavaScript code:
asked
Mar 20, 2021
in
JavaScript
by
Robindeniel
javascript
javascript-code
0
votes
Which type of JavaScript language is ___
asked
Mar 20, 2021
in
JavaScript
by
Robindeniel
javascript
javascript-language
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