Image sliders, also known as carousels, are a popular way to display multiple images on a website in a rotating sequence. In this worksheet, you'll learn how to build a simple image slider using HTML, CSS, and JavaScript. We'll cover the fundamental concepts of manipulating the DOM (Document Object Model) to dynamically change the displayed image and add basic controls for navigation.
This introduction focuses on the core logic behind image sliders, providing a foundation for more advanced features like automatic transitions, indicators, and touch support. By the end of this exercise, you'll understand how JavaScript can bring web pages to life with interactive elements. Get ready to dive into the exciting world of web development! 🚀
Match the following terms with their definitions:
| Term | Definition |
|---|---|
| 1. DOM | A. A style sheet language used for describing the presentation of a document written in a markup language. |
| 2. CSS | B. A programming language that enables interactive elements on websites. |
| 3. JavaScript | C. The HTML element that holds an image. |
| 4. img | D. An object-based programming language used to make webpages interactive. |
| 5. Variable | E. A named storage location in a computer's memory capable of holding a value. |
Complete the following paragraph with the correct words:
To create an image slider, we use ______ to change the `src` attribute of the ______ element. We can use ______ to store the current image index. CSS helps us style the slider, while ______ is the core language for the slider's behavior. The ______ represents the structure of the HTML document.
Describe how you would add 'next' and 'previous' buttons to control your image slider. What JavaScript code would you need to write to make these buttons functional?
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