Understanding HTML, CSS, and JavaScript

What is the primary role of JavaScript in web development?

• To style web pages

• To add interactivity to web pages

• To structure web content

• To store data on the server

Why is it important to understand both HTML and CSS before learning JavaScript?

• They are used for server-side programming

• JavaScript is easier to learn without them

• They are the foundation of web development

• They are not related to JavaScript

What is one of the main uses of internal JavaScript?

• To style web pages

• To debug using the console

• To store data in databases

• To manage server requests

What is the purpose of using the console in JavaScript?

• To create server requests

• To store data

• To debug and log information

• To style elements

How does external JavaScript differ from internal JavaScript?

• It cannot be used for debugging

• It is stored in separate files

• It is written directly in HTML

• It is only for server-side scripting

Which of the following is a benefit of using external JavaScript?

• It allows for code reuse across multiple pages

• It makes the HTML file larger

• It cannot be cached by browsers

• It is harder to maintain

What is a common practice when writing JavaScript for web pages?

• Separating JavaScript into external files

• Using inline styles

• Avoiding the use of functions

• Writing all code in the HTML file

What tool can be used to inspect and debug JavaScript on a web page?

• HTML editor

• Browser's developer tools

• CSS selector

• Text editor

Which method is used to add interactivity to HTML elements using JavaScript?

• HTML structuring

• CSS styling

• JavaScript event handling

• Database querying

What is the advantage of using JavaScript for web development?

• It is not compatible with HTML and CSS

• It enhances user interaction and experience

• It allows for static web pages

• It is only used for server-side scripting