HTML <details> tag represents the detailed content to show/hide with using <summary> tag.
The details tag is generally used to show/hide some of the long content and display only the summary.
It is the parent element of the HTML <summary> tag that represents summary information related to detailed information.
Note: HTML <details> tag is newly introduced in HTML5. The <details> tag is supported by only few web browsers like Chrome, Safari etc but not all.
Sample Code
<summary>Summary Show/Hide me</summary>
<p>This is the detailed text related to the summary</p>
</details>
Sample Result
Summary Show/Hide me
This is the detailed text related to the summary
You can see the complete List of HTML Elements here.
Tag Specific Attributes Support
Following are few details tag attributes that are supported by <details> tag.
| Attribute | Value | Description |
|---|---|---|
| open | open | Represents the details is visible or hidden to the user on page load |
Standard Attributes Support
HTML <details> tag supports mostly all HTML Attributes. Following are some most common attributes that are used by <details> tag. You can get more details about available HTML Attributes here.
| Attribute | Value | Description |
|---|---|---|
| class | user_defined | Represents a style for an element which is used in CSS style sheet |
| id | user_defined | Represents unique id for an element |
| lang | lang_code | Represents the language of the element for it’s content |
| style | css_properties | Represents an inline style for an element for e.g style=”color:red;text-decoration:underline;” |
| title | user_defined | Represents a tooltip information for an elements like img, a, abbr etc |
Event Attributes Support
The “script” is invoked when a certain “event” occurs. Each event handler content attribute deals with a different event. HTML <details> tag supports mostly all HTML Event Attributes. Following are some most common event attributes that are used by <details> tag. You can get more details about available HTML Event Attributes here.
| Attribute | Value | Description |
|---|---|---|
| onclick | script | Event Fires immediately when mouse click on the specified element |
| ondblclick | script | Event Fires immediately when mouse double-click on the specified element |
| onkeydown | script | Event Fires immediately when user is pressing a down key from keyboard |
| onkeypress | script | Event Fires immediately when user presses a key from keyboard |
| onkeyup | script | Event Fires immediately when user releases a key from keyboard |
| onmousedown | script | Event Fires immediately when mouse pointer gets down from an element |
| onmousemove | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseout | script | Event Fires immediately when mouse pointer gets out from an element |
| onmouseover | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseup | script | Event Fires immediately when a mouse pointer is released over an element |
