Math methods

Question 1

What does the function Maths.abs() do?

Answer 1

Returns the absolute value of a number.

Question 2

What does the function Math.ceil() do?

Answer 2

Rounds the number up and returns the smaller integer greater than or equal to a given number.

Question 3

What does the function Math.floor() do?

Answer 3

Always rounds down and returns the largest integer less than or equal to a given number.

Question 4

What does the function Math.fround() do?

Answer 4

Returns the nearest 32-bit single precision float representation of a number.

Question 5

What does the function Math.max() do?

Answer 5

Returns the largest of the numbers given as input parameters, or infinity if there are no parameters.

Question 6

What does the function Math.min() do?

Answer 6

Returns the smallest of the numbers given as input parameters, or infinity if there are no parameters.

Question 7

What does Math.pow() method do?

Answer 7

Returns the value of a base raised to a power.

Question 8

What does Math.random() do?

Answer 8

Returns a floating-point, pseudo-random number that’s greater or equal to 0 and less than 1.

Question 9

What does the function Math.round() do?

Answer 9

Returns the value or a number rounded to the nearest integer.

Question 10

What does the function Math.sign() do?

Answer 10

Returns 1 or -1, if the number is positive it returns 1, if negative it returns -1.

Question 11

What does the function Math.sqrt() do?

Answer 11

Returns the square root of a number.

Question 12

What does the function Math.trun() do?

Answer 12

Returns the integer part of a number by removing any fractional digits.