Modern Web Design with HTML5, CSS3, and JavaScript - What is JavaScript Math Object?

Modern Web Design with HTML5, CSS3, and JavaScript - What is JavaScript Math Object?

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

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The video tutorial covers JavaScript math functions, focusing on math floor, math ceiling, and math random. It explains how to use these functions to round numbers and generate random numbers. The tutorial includes a challenge to create a random number generator with adjustable minimum and maximum values, iterating through a loop to output results. The video also addresses potential errors and adjustments in the code.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Math.floor function do in JavaScript?

Returns the absolute value of a number

Rounds a number down to the nearest integer

Rounds a number up to the nearest integer

Generates a random number between 0 and 1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does Math.ceil differ from Math.floor?

Both round to the nearest integer

Both generate random numbers

Math.ceil rounds up, Math.floor rounds down

Math.ceil rounds down, Math.floor rounds up

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range of numbers generated by Math.random?

0 to 1, inclusive

0 to 1, exclusive

1 to 10, inclusive

1 to 10, exclusive

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you generate a random number between 1 and 10 using Math.random?

Multiply Math.random by 10 and add 1

Multiply Math.random by 9 and add 1

Multiply Math.random by 10

Multiply Math.random by 11

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the challenge presented in the video?

To create a function that generates random numbers within a dynamic range

To create a function that generates random numbers within a fixed range

To create a function that rounds numbers to the nearest integer

To create a function that calculates the square root of a number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the solution, why is Math.ceil used for the minimum value?

To ensure the maximum is rounded up

To ensure the minimum is rounded down

To ensure the minimum is rounded up

To ensure the maximum is rounded down

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 1 to the range in the random number generator?

It halves the range of numbers

It includes the maximum value in the range

It excludes the minimum value from the range

It doubles the range of numbers