JavaScript and HTML Quiz

Which HTML tag is used to define a hyperlink?

• <href>

• <link>

• <hyperlink>

• <a>

What is the purpose of the tag in HTML?

• The tag is used to define the body of the document.

• The tag contains meta-information about the HTML document.

• The tag is responsible for styling the HTML elements.

• The tag displays the main content of the webpage.

What is the CSS box model?

• The CSS box model is a programming language for web development.

• The CSS box model is a type of graphic design software.

• The CSS box model is a fundamental concept that defines how elements are structured and spaced in web design.

• The CSS box model only applies to images.

What is Flexbox and how is it used in CSS?

• Flexbox is a CSS layout model that provides a more efficient way to arrange and align items in a container.

• Flexbox is a CSS property that only applies to images.

• Flexbox is a JavaScript framework for building web applications.

• Flexbox is a method for creating animations in CSS.

What is a function in JavaScript?

• A function in JavaScript is a method for creating objects.

• A function in JavaScript is a type of variable.

• A function in JavaScript is a data structure that holds values.

• A function in JavaScript is a reusable block of code that performs a specific task.

How do you declare a function in JavaScript?

• myFunction() => { // code }

• declare function myFunction() { // code }

• function:myFunction() { // code }

• function myFunction() { // code }

What is the difference between function declarations and function expressions?

• Function declarations require a return type; function expressions do not.

• Function declarations can only be used once; function expressions can be reused.

• Function expressions are always named; function declarations can be anonymous.

• Function declarations are hoisted; function expressions are not.

What is the purpose of the 'this' keyword in JavaScript functions?

• The 'this' keyword is a way to define functions.

• The 'this' keyword refers to the context of the function call.

• The 'this' keyword is used to declare variables.

• The 'this' keyword is used for error handling in JavaScript.

How do you create an array in JavaScript?

• You create an array in JavaScript using curly braces, e.g., let myArray = {}.

• You create an array in JavaScript using square brackets, e.g., let myArray = [] or let myArray = [1, 2, 3];.

• You create an array in JavaScript using angle brackets, e.g., let myArray = <1, 2, 3>;

• You create an array in JavaScript using parentheses, e.g., let myArray = (1, 2, 3);

What is the DOM in JavaScript?

• The DOM is a framework for building mobile applications.

• The DOM is a programming language for web development.

• The DOM is a type of database used in JavaScript.

• The DOM is a representation of the document structure that allows for dynamic manipulation of HTML and XML documents.