AWS, JavaScript, React - Deploy Web Apps on the Cloud
 - JavaScript Project 1 - BG Color Changer

AWS, JavaScript, React - Deploy Web Apps on the Cloud - JavaScript Project 1 - BG Color Changer

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

This video tutorial guides viewers through creating a simple web project that changes the background color of a webpage each time it is refreshed. It covers setting up the basic HTML structure, defining an array of color values, and using JavaScript to randomly select and apply a color from the array. The tutorial explains the use of JavaScript methods like Math.random and Math.floor to achieve the desired functionality.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective of the project discussed in the video?

To create a web page with a static background color

To change the background color of a web page every time it is refreshed

To build a complex web application

To learn about HTML forms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in setting up the project?

Write a PHP script

Design a logo

Set up the basic HTML page structure

Create a CSS file

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the 'bgcolor' variable store?

A set of font styles

A single color value

A list of image URLs

An array of hex color codes

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the random index for the color array generated?

By multiplying a random value by the array length and rounding it

By dividing the array length by 2

Using a fixed number

By selecting the first element of the array

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What JavaScript method is used to round the random value to the nearest whole number?

Math.abs

Math.ceil

Math.round

Math.floor

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