Basics of HTML5 details tags

The HTML5 details tag creates an expandable detail section where the user can click on the title to show or hide additional information. This applies to displaying non-essential or auxiliary content, such as long articles or technical details. The main features include: 1. Clickable title; 2. Expandable content; 3. Interactive behavior (click the title to expand/hide). The tag is widely supported by modern browsers such as Chrome, Firefox, Safari, and Edge.

Basics of HTML5 details tags

The HTML5 details tag is used to create an expandable detail section, allowing users to click to view or hide additional information. This is very useful for displaying non-essential or auxiliary content, such as long articles or technical details.

grammar

 <code class="html"><details> <summary>可点击的标题</summary> <p>可展开的内容</p> </details></code>

property

• open: Boolean value, indicating whether the details are expanded by default.
• onToggle: The event handler that fires when the details are expanded or hidden.

characteristic

• Clickable title: With its summary element, clickable titles can be created to expand or hide details.
• Expandable content: Any HTML element can be placed inside the details element to display when expanded. Content usually appears in paragraphs, lists, or other formats.
• Interactive behavior: Clicking on the title expands or hides details. If the open property is set to true, the details are expanded by default.

usage

HTML5 details tags are usually used in the following situations:

• Show additional information such as technical documentation or FAQs.
• Create foldable sections, such as navigation menus or sidebars.
• Provide interactive content, such as interactive tutorials or quizzes.

Browser support

The details tag is widely supported by all modern browsers, including Chrome, Firefox, Safari, and Edge.

Example

Here is an example to create a default expanded details section:

 <code class="html"><details open> <summary>动物王国</summary> <p>动物王国充满着各种各样的生物，从微小的昆虫到庞大的鲸鱼。</p> </details></code>

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