How can you create collapsible sections on your web pages using HTML5?

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Collapsible sections are useful for organizing and presenting your web content in a compact and interactive way. You can use them to hide or show details, FAQs, menus, forms, and more. In this article, you will learn how to create collapsible sections on your web pages using HTML5, the latest version of the markup language that defines the structure and content of web pages.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business…

1 What is HTML5?

HTML5 is the fifth and current major revision of HTML, which stands for HyperText Markup Language. HTML5 introduces new elements, attributes, and APIs that enhance the functionality, accessibility, and performance of web pages. Some of the new features of HTML5 include semantic elements, multimedia support, offline storage, geolocation, drag and drop, and web sockets.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business Consultant & Strategist | Website Designer | E-Commerce Developer | Landing Page Designer | Enthusiast |
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HTML5 is like a web wizard's latest spell, taking the internet to a whole new level. It's the snazzy upgrade to the language that builds websites – HyperText Markup Language. Imagine a toolkit packed with exciting gadgets: slick multimedia handling, offline storage tricks, and even the ability to pinpoint your spot on the globe. It's like giving websites superpowers – suddenly they can juggle videos, remember your preferences, and do more than just sit there. HTML5 is the secret sauce that makes the web a dynamic, interactive playground.

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2 How to create collapsible sections with HTML5?

One of the new elements that HTML5 offers is the <details> element, which creates a disclosure widget that can be toggled by the user to reveal or hide additional information. The <details> element can contain any HTML content, such as text, images, links, or forms. The <summary> element, which is a child of the <details> element, defines the visible label or title of the collapsible section. The rest of the content inside the <details> element is hidden by default, unless the <details> element has the open attribute.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business Consultant & Strategist | Website Designer | E-Commerce Developer | Landing Page Designer | Enthusiast |
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Discover the sleek magic of HTML5's <details> element! Picture it as a mini treasure chest: the <summary> tag is the inviting lid, flaunting a teaser of what's hidden within. Users delight in tapping, unfurling the concealed wonders inside—text, images, or more. Effortlessly toggle open or shut, offering an interactive twist to your content. Unveil a new dimension to web design with this nifty, user-friendly gem.

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3 How to style collapsible sections with CSS?

CSS, which stands for Cascading Style Sheets, is the language that describes how HTML elements are displayed on the screen. You can use CSS to customize the appearance and behavior of your collapsible sections, such as the color, font, size, margin, padding, border, and transition. For example, you can use the :checked pseudo-class to change the style of the <summary> element when the <details> element is open. You can also use the ::marker pseudo-element to modify the default icon that indicates the state of the <details> element.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business Consultant & Strategist | Website Designer | E-Commerce Developer | Landing Page Designer | Enthusiast |
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Sure thing! When it comes to jazzing up collapsible sections with CSS, it's like giving your webpage a stylish makeover. Imagine your content elegantly folding and unfolding, like opening a secret treasure chest. You can dance with colors, fonts, and spacing, making it all visually pop. Using smart tricks like the :checked magic, your section headers can transform into inviting buttons. Think of it as crafting a mini magic show on your webpage, where details reveal themselves with a charming flourish. Just don't forget the ::marker to sprinkle some extra charm by customizing those little open/close icons. With CSS, you're not just styling; you're creating a visual ballet!

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4 How to add interactivity to collapsible sections with JavaScript?

JavaScript is the scripting language that enables dynamic and interactive features on web pages. You can use JavaScript to manipulate the <details> element and its content, such as adding, removing, or modifying attributes, events, or classes. For example, you can use the toggle() method to open or close the <details> element programmatically. You can also use the addEventListener() method to attach a function that runs when the <details> element is opened or closed by the user.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business Consultant & Strategist | Website Designer | E-Commerce Developer | Landing Page Designer | Enthusiast |
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Enhance your web page's user experience by adding a touch of interactivity with JavaScript! Imagine collapsible sections that elegantly reveal their content when clicked. By harnessing the power of JavaScript, you can effortlessly manipulate the <details> element, customizing its behavior with ease. Employ the toggle() method to seamlessly control the unfolding and concealing of these sections. Elevate your site's engagement by utilizing addEventListener() to seamlessly integrate functions that respond to user interactions, creating a dynamic and captivating browsing adventure.

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5 How to make collapsible sections responsive and accessible?

Responsive web design is the practice of creating web pages that adapt to different screen sizes and devices. Accessible web design is the practice of creating web pages that are usable and understandable by people with different abilities and preferences. You can make your collapsible sections responsive and accessible by using media queries, flexbox, grid, or other layout techniques to adjust the width, height, or order of your <details> elements. You can also use aria attributes, roles, or labels to provide additional information or instructions for screen readers or keyboard users.

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Md Najmul Hassan

Co-Founder & CEO at Sareng Consulting Services | Helping Entrepreneurs to Grow their Business Digitally | Business Consultant & Strategist | Website Designer | E-Commerce Developer | Landing Page Designer | Enthusiast |
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Crafting collapsible sections that are both responsive and accessible involves a thoughtful blend of design considerations. By employing media queries, flexbox, or grid, you can seamlessly adapt collapsible content across various screen sizes and devices. Ensuring accessibility entails using aria attributes and roles to furnish vital cues for screen readers and keyboard navigation, thereby fostering a user-friendly experience for everyone. This synergy of responsive and accessible design ensures a harmonious and inclusive digital journey.

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6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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How can you create collapsible sections on your web pages using HTML5?

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1 What is HTML5?

2 How to create collapsible sections with HTML5?

3 How to style collapsible sections with CSS?

4 How to add interactivity to collapsible sections with JavaScript?

5 How to make collapsible sections responsive and accessible?

6 Here’s what else to consider

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