JavaScript While and For Loops: 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 While & For-Loops in JS, a topic frequently discussed in front-end 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 important to be familiar with the technical aspect of each topic. You can find detailed technical responses, under the While & For-Loops category on our website, at HelloJavaScript.info.
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Questions:
00:00 Introduction
00:59 In Simple terms, what are loops used for in JavaScript?
01:31 Explain, how a while loop works in JavaScript.
02:08 What is the definition of an iteration in a JavaScript loop?
02:43 Does a while loop require an explicit incrementor?
03:21 Are curly brackets required in a single-line loop body?
04:02 What is the difference between a Do-While and a While Loop?
04:41 Can you explain how the do-while loop works in JavaScript?
05:18 Explain how a for-loop functions in JavaScript.
06:04 In JavaScript, What is a for-loop inline variable declaration?
06:42 Is it possible to skip or omit parts of the for-loop settings?
07:23 Can you stop a loop based on a specific condition?
08:02 In JavaScript, How does the continue directive work in a loop?
08:40 What is the difference between the break statement and the continue directive?
09:18 What is a potential benefit of using the continue directive?
09:53 Can the continue or break directives be used with the shorthand ternary (?:) expression?
10:31 How do you break out of two nested for-loops in JavaScript
11:05 In JavaScript, Can labels jump to an arbitrary place in your code?
11:43 What is the difference between the While and For loops in JavaScript?
12:21 What is an infinite loop in JavaScript, and how can it be avoided?
13:00 What is a nested loop in JavaScript, and why would you use one?
13:40 How do you create an infinite loop in JavaScript intentionally?
14:14 What is the syntax for the For loop in JavaScript?
14:51 What is the syntax for the While loop in JavaScript?
15:32 Conclusion: JavaScript While & For Loops
