How does the unary minus (-) operator work?

Negates the value of a variable

Adds a variable to another variable

What does the left shift operator (

Shifts the bits of a number to the left

What is the purpose of the "class" attribute in HTML elements?

It groups multiple elements together for styling purposes.

It defines the name of the element.

It links the element to an external resource.

It specifies a unique identifier for the element.

You're creating a single-page application. You want to display a welcome message to the user only once after the entire page (including images and external resources) has finished loading. What event listener can you use to complete the code?

window.addEventListener('load', displayWelcomeMessage);

window.addEventListener('loaded', displayWelcomeMessage);

window.addEventListner('load', displayWelcomeMessage);

window.addEventListener('loader', displayWelcomeMessage);

How do you comment out multiple lines of code in JavaScript?

/* This is a comment block in Java */

/* This is a comment block in JavaScript */

// This is a comment block in JavaScript

Based on the code snippet on the left, complete the code, by clicking on any of the choices below.

headingElement.innerText = product.name;

headingElement.inneText = product.name;

headingElementinnerText = product.name;

headingElement.innerText == product.name;

How do you link an external CSS file to an HTML document?

What is the difference between logical AND (&&) and logical OR (||)?

&& returns true only if both operands are true, || returns true if one or both operands are true

&& returns true if one or both operands are true, || returns true only if both operands are true

What does the async attribute on a tag do?

Loads the script asynchronously, allowing the page to continue loading without waiting

Only loads the script if a specific condition is met

Executes the script after the document has been parsed

What are the valid characters for starting a JavaScript identifier?

Letters, underscores, and dollar signs

HTML and CSS Quiz

Authored by Thapelo Sibanda

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67 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does HTML stand for?

High Text Markup Language

Hyperlink Text Markup Language

Hyper Text Markup Language

Home Text Markup Language

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does CSS stand for?

Cascading Style Script

Cascading Style Sheets

Crazy Style Sheets

Computer Style System

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which attribute is used to specify the name of an input field when submitting a form?

value

name

text

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What property in CSS is used to change the text color of an element?

color

text-color

font-color

font-style

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does CSS stand for?

Colorful Style Sheets

Computer Style Sheets

Cascading Style Sheets

Creative Style Sheets

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What HTML element is used to create a dropdown list in a form?

dropdown

list

select

options

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which attribute in HTML is used to specify the URL of the image?

link

src

image

url

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HTML and CSS Quiz

What does HTML stand for?

What does CSS stand for?

Which attribute is used to specify the name of an input field when submitting a form?

What property in CSS is used to change the text color of an element?

What does CSS stand for?

What HTML element is used to create a dropdown list in a form?

Which attribute in HTML is used to specify the URL of the image?

Which of the following is not a data type in JavaScript?

Which event fires only once after the entire web page, including all images and external resources, finishes loading?

Which operator is used for addition?

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