JavaScript Mastery from Zero to Hero - Prepare for Coding Interviews - The Remainder Operator in JavaScript - I

The video tutorial introduces the remainder operator in JavaScript, explaining its importance and how it works. It covers the basic concepts of division, quotient, and remainder, using simple examples to illustrate these ideas. The tutorial includes a code demonstration of the remainder operator and a more complex example to deepen understanding. The focus is on making the concept clear and practical for setting ranges and randomizations in programming.

What is the primary purpose of the remainder operator in JavaScript?

• To subtract numbers

• To perform addition

• To find the remainder after division

• To multiply numbers

In the division of 4 by 2, what is the remainder?

• 2

• 4

• 1

• 0

Which symbol is used for the remainder operator in JavaScript?

• &

• @

• #

• %

What is the result of 7 % 4 in JavaScript?

• 1

• 2

• 3

• 4

How many groups can be formed when dividing 7 by 4?

• 1

• 4

• 2

• 3

What is the maximum whole number that can be set up for each group when dividing 7 by 4?

• 3

• 2

• 1

• 0

Why can't we use decimals when working with the remainder operator in this context?

• Decimals are too complex

• The remainder operator only works with whole numbers

• JavaScript does not support decimals

• Decimals are not allowed in JavaScript