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Top 100+ questions in JavaScript
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Top 100+ questions in JavaScript
+1
vote
Q: What’s the difference between “{}” and “[]” while declaring a JavaScript array?
asked
Jan 10
in
JavaScript
by
rajeshsharma
#javascript
javascript
arrays
object
javascript-objects
declaration
0
votes
Q: Why is processing a sorted array faster than processing an unsorted array?
asked
Jan 9
in
JavaScript
by
SakshiSharma
#java
0
votes
Q: How can I remove a specific item from an array?
asked
Jan 9
in
JavaScript
by
SakshiSharma
javascript
arrays
0
votes
Q: Implement a function that returns an updated array with r right rotations on an array of integers a .
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#array-programming
#array
0
votes
Q: Write a function that performs binary search on a sorted array.
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#binary-search-program
#binary-search
0
votes
Q: Guess the outputs of the following code:
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#javascript-output
0
votes
Q: Guess the outputs of the following code:
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#javascript-output
0
votes
Q: Guess the output of the following code:
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#javascript-output
0
votes
Q: Guess the outputs of the following code:
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#javascript-output
0
votes
Q: Guess the outputs of the following codes:
asked
Dec 12, 2020
in
JavaScript
by
SakshiSharma
#javascript-output
0
votes
Q: What is a Temporal Dead Zone?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#temporal-dead-zone
#dead-zone
0
votes
Q: What is Object Destructuring?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#object-destructuring
#destructuring
0
votes
Q: Explain WeakMap in javascript.
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#javascript-weakmap
#weakmap-javascript
0
votes
Q: Explain WeakSet in javascript.
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#weakset
#javascript-weakset
0
votes
Q: What are generator functions?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#generator-functions
#functions-generatorr
0
votes
Q: What are classes in javascript?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#classes-javascript
#javascript-classes
0
votes
Q: What is the use of promises in javascript?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#javascript-promises
#promises-javascript
0
votes
Q: What is the rest parameter and spread operator?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#spread-operator
#rest-parameter
0
votes
Q: Differences between declaring variables using var, let and const.
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#var
const
#var-vs-const
#const-vs-var
0
votes
Q: What are arrow functions?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#arrow-functions
#javascript-arrow-function
0
votes
Q: What is Document Object Model?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#document-object-model
#dom
0
votes
Q: What is the use of a constructor function in javascript?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#constructor-function
#javascript-constructor
0
votes
Q: What is recursion in a programming language?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#recursion
#javascript-recursion
0
votes
Q: What is memoization?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#memoization
#javascript-memoization
0
votes
Q: What are callbacks?
asked
Dec 11, 2020
in
JavaScript
by
SakshiSharma
#callbacks
#javascript-callbacks
0
votes
Q: What are object prototypes?
asked
Dec 10, 2020
in
JavaScript
by
SakshiSharma
#object-prototypes
#prototypes
0
votes
Q: Explain Closures in JavaScript.
asked
Dec 10, 2020
in
JavaScript
by
SakshiSharma
#javascript-closures
#closures
0
votes
Q: Explain Scope and Scope Chain in javascript.
asked
Dec 10, 2020
in
JavaScript
by
SakshiSharma
#scope
#scope-chain
#javascript-scope
0
votes
Q: What is currying in JavaScript?
asked
Dec 10, 2020
in
JavaScript
by
SakshiSharma
#javascript-currying
#currying
0
votes
Q: Explain call(), apply() and, bind() methods.
asked
Dec 10, 2020
in
JavaScript
by
SakshiSharma
#call
apply
bind
bind-method
#javascript-method
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