Are you gearing up for a JavaScript interview? You’ve landed in the right place! At RowdyCoders, we understand the nuances of preparing for technical interviews. That’s why we’ve curated a comprehensive list of the most frequently asked JavaScript interview conceptual questions to help you ace your next job interview. Understanding these concepts will not only prepare you for interviews but also make you a better JavaScript developer.
Most asked JavaScript Interview Conceptual Questions:
We recommend studying each concept thoroughly and practicing by writing code. Additionally, consider how each concept can be applied in real-world scenarios, as practical knowledge is just as important as theoretical understanding. Explore our list of JavaScript interview conceptual questions and start your journey towards mastering JavaScript and landing your dream job.
| Status | Conceptual Questions Articles | Youtube |
|---|---|---|
| Understanding the “this” Keyword in JavaScript | Video NA | |
| Debounce in JavaScript: Enhance Frontend Performance | Video NA | |
| Difference between let, var and const | Video NA | |
| Mastering JavaScript Promises: Key to Asynchronous Programming | Video NA | |
| Understanding JavaScript Closures: Power of Scoped Functions | Video NA | |
| Mastering JavaScript Generator Functions: A Comprehensive Guide | Video NA | |
| Exploring JavaScript Symbols: A Deep Dive into Unique Identifiers | Video NA | |
| Understanding Prototype & Prototype Chain in JavaScript | Video NA | |
| Understanding Hoisting in JavaScript | Video NA | |
| Throttling Concept in JavaScript | Video NA | |
| Currying Concept in JavaScript | Video NA | |
| Coersion Concept in JavaScript | Video NA | |
| Array Methods in JavaScript(Map, Filter, Reduce, etc) | Video NA | |
| Event Loop in JavaScript | Video NA | |
| Immediately Invoked Functions Expressions(IIFE) | Video NA | |
| Call, Apply and Bind in JavaScript | Video NA | |
| Comparison between Object and Map | Video NA | |
| What is Higher Order Function? | Video NA | |
| What is Temporal Dead Zone? | Video NA | |
| Different kinds of Storage like IndexedDB, Web Storage(local, session) and Cookie | Video NA | |
| What is a callback function? | Video NA | |
| Purpose of Promise methods like Promise.all, Promise.race! | Video NA | |
| What is Event Bubbling & Event Capturing? | Video NA | |
| What is Defer and async? | Video NA | |
| What is the use of preventDefault method? | Video NA | |
| What is the use of stopPropagation method? | Video NA | |
| What is an event delegation? | Video NA | |
| What is a Proxy Object? | Video NA | |
| What is a Post Message? | Video NA | |
| Difference between arrow functions and normal functions | Video NA | |
| What is Async await? | Video NA | |
| Difference between Promise.all & Promise.race | Video NA |
Why Focus on this list of questions can help you?
Whether you’re aiming for a role as a front-end developer, back-end developer, or full-stack developer, a strong grasp of JavaScript concepts is crucial. Employers are looking for candidates who not only understand the syntax but also the underlying principles and advanced features of the language.
What You’ll Find Here
Our collection covers a wide range of topics to ensure you’re well-prepared for any question that comes your way. From fundamental concepts to advanced topics, we’ve got you covered. Here are some highlights:
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