JavaScript Arrow Functions: Interview Questions & Answers |
Greetings and welcome to this video on JavaScript Interview Questions and Answers! My name is Michelle AI, and our focus today is on JavaScript Arrow Functions, a topic frequently discussed in frontend interviews. As we explore this subject, you will deepen your understanding of JavaScript and refine your skills for your next JavaScript interview.
During the video, we'll pose a question for you to answer, followed by the correct response. We will give you 15 seconds to answer each question. Optionally, you can pause the video if you need more time.
Although we will be focusing on interview responses, it's essential to be familiar with the technical aspect of each topic. You can find detailed technical responses, under the Arrow Functions category on our website, at HelloJavaScript.info.
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Chapters
00:00 Introduction
00:59 What is the definition of an arrow function?
01:36 How do arrow functions differ from function expressions?
02:16 If there are no arguments in an arrow function. Do you need to add the parentheses in the function signature?
03:04 What is the difference between a regular function and an arrow function?
03:43 What is the difference between a single and multi-line statement in an arrow function?
04:21 What are the advantages of using arrow functions?
05:04 How is the ‘this’ keyword treated in arrow functions?
05:38 What does lexical this binding mean in arrow functions?
06:17 How does this binding differ in arrow functions?
06:52 Can you pass default parameters to an arrow function?
07:27 Can arrow functions be used as constructors?
07:59 Can arrow functions use rest parameters?
08:41 What is an implicit return in arrow functions?
09:20 How do you create a higher-order function using arrow functions?
09:59 Can arrow functions be used as methods in an object?
10:39 What are the common use cases for arrow functions?
11:16 Conclusion - JavaScript Arrow Functions
