Learn JavaScript from Scratch JavaScript for Everyone - JavaScript Math

The video tutorial introduces the JavaScript Math module, covering functions like rounding, exponents, square roots, and finding maximum and minimum values. It explains the use of Math.pow and Math.sqrt for exponents and square roots, and Math.max and Math.min for determining maximum and minimum values. The tutorial also discusses Math.floor and Math.ceil for rounding numbers down and up, respectively. Additionally, it highlights the importance of MDN documentation for understanding various Math methods.

What does the Math.round function do in JavaScript?

• It rounds a number to the nearest integer.

• It returns the absolute value of a number.

• It calculates the square root of a number.

• It finds the maximum value in a set of numbers.

Which operator is used in modern JavaScript for exponentiation?

• //

• **

• Math.sqrt

• Math.pow

What is the result of Math.sqrt(9) in JavaScript?

• 0

• 3

• 81

• 9

How does Math.max function work?

• It rounds a number up to the nearest integer.

• It calculates the power of a number.

• It returns the largest number in a set.

• It returns the smallest number in a set.

What will Math.min(-30, -29, -31, 10) return?

• -31

• -30

• 10

• -29

What does Math.floor(23.9) return?

• 22

• 23.9

• 23

• 24

Which function rounds a number up to the nearest integer?

• Math.abs

• Math.ceil

• Math.round

• Math.floor