Lodash Functions

Targeted practice on Lodash Functions interview questions
28 solved practice questions
Curated by ex-interviewers
Time efficient

Implement various Lodash functions and methods to manipulate and transform data efficiently, a common task given during front end interviews.

  • ChunkPremiumImplement a function that creates an array of elements split into smaller groups of a specified size
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  • ClampPremiumImplement a function to clamp a number within the inclusive lower and upper bounds
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  • CompactPremiumImplement a function that creates an array with all falsey values removed
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  • Count ByImplement a function that counts the number of times a value appears in an array based on a function or property name
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Lodash Functions Interview Questions for Front End Interviews

Mastering Lodash functions is essential for front end developers, as these utility functions are commonly used to manipulate and transform data efficiently—a skill that is also frequently tested in front end interviews. Understanding and implementing Lodash methods enables you to handle complex data operations with ease, making your code more concise, readable, and performant.

Our Lodash Functions focus area is designed to help you become proficient in using these powerful tools. You'll explore topics such as implementing various Lodash functions from scratch, understanding their inner workings, and applying them to manipulate and transform data effectively.

Our platform offers an interactive learning experience, allowing you to practice directly in your browser with questions that mirror real-world scenarios. Each practice question is supported by in-depth solutions crafted by ex-interviewers from top tech companies, providing you with practical knowledge and hands-on experience in using Lodash functions.

Whether you're new to Lodash or looking to refine your skills, this focus area provides the comprehensive preparation needed to excel in front end interviews and deliver high-quality, efficient web applications.

Key Features

1. Crafted by big tech ex-interviewers: Every question, solution, test case, and focus area has been meticulously crafted by engineers who have conducted numerous interviews at top tech companies. Their expertise ensures that the questions are curated to reflect what is asked today and that solutions and test cases are written to align with the expectations of interviewers.

2. Extensive practice questions: This focus area offers a wide array of realistic, challenging questions that align with the latest practices in front end development. These questions are carefully selected to help you build proficiency in the specific challenges of implementing and utilizing Lodash functions.

3. Detailed and insightful solutions: Each question comes with a well-explained solution that outlines the correct approach, detailing both the "how" and "why" behind the answers. These solutions help you solidify your understanding of Lodash methods, ensuring you can apply them effectively in various scenarios.

4. Authentic coding environment: Our in-browser coding workspace closely replicates the conditions of real front end coding interviews. This mock interview environment allows you to become comfortable with the tools you will use during your interviews. Moreover, we've integrated several convenient features and shortcuts to make your practice sessions more efficient and seamless.

5. Instant feedback with automated testing: To enhance your learning experience, we offer automated test cases that provide immediate feedback on your solutions. This instant evaluation allows you to quickly identify areas for improvement, ensuring continuous progress as you prepare for front end engineering roles and interviews.