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

0 votes

Q: Why is processing a sorted array faster than processing an unsorted array?

asked Jan 9 in JavaScript by SakshiSharma

0 votes

Q: How can I remove a specific item from an array?

asked Jan 9 in JavaScript by SakshiSharma

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

0 votes

Q: Write a function that performs binary search on a sorted array.

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: Guess the outputs of the following code:

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: Guess the outputs of the following code:

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: Guess the output of the following code:

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: Guess the outputs of the following code:

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: Guess the outputs of the following codes:

asked Dec 12, 2020 in JavaScript by SakshiSharma

0 votes

Q: What is a Temporal Dead Zone?

asked Dec 11, 2020 in JavaScript by SakshiSharma

0 votes

Q: What is Object Destructuring?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: Explain WeakMap in javascript.

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: Explain WeakSet in javascript.

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What are generator functions?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What are classes in javascript?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What is the use of promises in javascript?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What is the rest parameter and spread operator?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: Differences between declaring variables using var, let and const.

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What are arrow functions?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What is Document Object Model?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What is the use of a constructor function in javascript?

asked Dec 11, 2020 in JavaScript by SakshiSharma

0 votes

Q: What is recursion in a programming language?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What is memoization?

asked Dec 11, 2020 in JavaScript by SakshiSharma

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Q: What are callbacks?

asked Dec 11, 2020 in JavaScript by SakshiSharma

0 votes

Q: What are object prototypes?

asked Dec 10, 2020 in JavaScript by SakshiSharma

0 votes

Q: Explain Closures in JavaScript.

asked Dec 10, 2020 in JavaScript by SakshiSharma

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Q: Explain Scope and Scope Chain in javascript.

asked Dec 10, 2020 in JavaScript by SakshiSharma

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Q: What is currying in JavaScript?

asked Dec 10, 2020 in JavaScript by SakshiSharma

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Q: Explain call(), apply() and, bind() methods.

asked Dec 10, 2020 in JavaScript by SakshiSharma

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