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HTML 5 Tags

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HTML 5 <details> Tag

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Related:
• HTML legend Tag

The HTML <details> tag specifies additional details that the user can view or hide on demand.

It can be used in conjunction with the HTML legend tag, and the user can expand/collapse the details as required.

The <details> tag was introduced in HTML 5.

Example

Here is an example of the HTML code used to specify the <details> element.

Note: At the time of writing, no browser supports the <details> element. This example is based on the W3C HTML 5 Working Draft, and is solely to demonstrate the context of this tag.

Source CodeResult

Attributes

HTML tags can contain one or more attributes. Attributes are added to a tag to provide the browser with more information about how the tag should appear or behave. Attributes consist of a name and a value separated by an equals (=) sign, with the value surrounded by double quotes. Here's an example, style="color:black;".

There are 3 kinds of attributes that you can add to your HTML tags: Element-specific, global, and event handler content attributes.

The attributes that you can add to this tag are listed below.

Element-Specific Attributes

The following table shows the attributes that are specific to this tag/element.

AttributeDescription
openSpecifies whether the details should be open (visible to the user) or closed (hidden from the user).

This is a boolean attribute. If the attribute is present, its value must either be the empty string or a value that is an ASCII case-insensitive match for the attribute's canonical name, with no leading or trailing whitespace (i.e. either open or open="open").

Possible values:

  • [Empty string]
  • open

Global Attributes

The following attributes are standard across all HTML 5 tags.

class id style
contenteditable irrelevant tabindex
contextmenu lang template
dir ref title
draggable registrationmark  

For a full explanation of these attributes, see HTML 5 global attributes.

Event Handler Content Attributes

Event handler content attributes enable you to invoke a script from within your HTML. The script is invoked when a certain "event" occurs. Each event handler content attribute deals with a different event.

Here are the standard HTML 5 event handler content attributes.

onabort ondragover onmousemove
onbeforeunload ondragstart onmouseout
onblur ondrop onmouseover
onchange onerror onmouseup
onclick onfocus onmousewheel
oncontextmenu onkeydown onresize
ondblclick onkeypress onscroll
ondrag onkeyup onselect
ondragend onload onstorage
ondragenter onmessage onsubmit
ondragleave onmousedown onunload

For a full explanation of these attributes, see HTML 5 event handler content attributes.

Also see the HTML 4.01 tags


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