JavaScript Math Operators Interview Questions and Answers

Greetings and welcome to this informative video on JavaScript. In this session, we will focus on questions about JavaScript Math Operators which are often discussed in frontend interviews. By exploring these questions, not only will you expand your understanding of JavaScript, but you will also sharpen your interviewing skills.

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.

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Chapter Questions:

00:00 Introduction
00:56 What is an operand in JavaScript?
01:32 Explain the difference between a Binary and a Unary operand.
02:08 What basic mathematical operations are allowed in JavaScript?
02:55 In JavaScript, what is the remainder operator?
03:36 How does the exponentiation operator function in JavaScript?
04:09 Is it possible to concatenate strings in JavaScript?
04:43 How does unary plus work on single values?
05:24 If you have two strings and wish to add their values together. What technique would you use to convert both strings to integers to prevent concatenating the values into a single string?
06:07 What is the most prominent characteristic of all operators in JavaScript?
06:43 In what direction do chained assignments evaluate?
07:19 What is the major issue with chained assignments?
07:50 What is the difference between increment and decrement?
08:30 Can increment and decrement operators be directly applied to numbers?
09:06 Are decrement and increment operators placed before or after a variable?
09:45 Is there any difference between the postfix and prefix increment positions?
10:23 Can the increment and decrement operators be used within expressions?
10:57 How do Bitwise operators treat arguments, as 16-Bit, 24-Bit, or 32-Bit integer numbers?
11:35 What occurs when multiple expressions are separated by commas within a single statement?
12:17 What is the comma operator used for in JavaScript?
12:53 Why do we need the comma operator that throws away everything except the last expression?
13:39 Does the comma operator have high or low precedence?
14:16 What is the mathematical order of operations in JavaScript?
14:57 What is the general order of operations in JavaScript?
15:39 What is NaN in JavaScript?
16:19 How do you perform exponentiation operation in JavaScript?
16:55 What happens when you divide zero by zero in JavaScript?
17:31 How do you round a number to a specified number of decimal places in JavaScript?
18:05 What is the difference between equality and strict equality operators?
18:44 Conclusion: JavaScript Math Operators