Part 6–100 Advanced JavaScript Interview Questions with Answers and Code Examples

Welcome to the sixth part of our series on advanced JavaScript interview questions!

Komeil Mehranfar
4 min readAug 3, 2023
Part 6–100 Advanced JavaScript Interview Questions with Answers and Code Examples
Part 6–100 Advanced JavaScript Interview Questions with Answers and Code Examples

Introduction:

In this article, we’ll continue to explore ten more challenging questions that will test your knowledge of JavaScript concepts and techniques. Each question is accompanied by a detailed answer and code examples to help you understand the topic thoroughly. Additionally, we’ll provide external links for further reading to enhance your understanding. Let’s dive in!

51- What is the purpose of the “some()” method in JavaScript arrays? Provide an example.

Answer: The some() method tests whether at least one element in the array passes the provided testing function. It returns true if any element satisfies the condition; otherwise, it returns false. Here's an example:

const numbers = [1, 2, 3, 4, 5];
const isEven = (number) => number % 2 === 0;
const hasEvenNumber = numbers.some(isEven);
console.log(hasEvenNumber); // Output: true

Further Reading: MDN Web Docs — Array.prototype.some()

52- What is the purpose of the “String.raw()”…

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Komeil Mehranfar

Software Engineer | React.js | Javascript | Typescript | Next.js | Product Enthusiast