Popover

HTML Popover

A popover is a small window that appears when a user clicks or hovers over an element, providing extra information or context. Popovers are often used to show tooltips, small forms, or other content without changing the page layout.

Syntax

<element popover>

HTML Popover Attribute

• Purpose: The popover attribute creates a hidden content overlay that appears when triggered by another element.
• Trigger: Usually a button or link with a popover-target attribute.
• Global Use: Can be added to any editable HTML element.

Basic Setup

• HTML
• CSS

HTML

A trigger element and a popover element.

<div popover id="myheader">Hello</div>
<button popovertarget="myheader">Click me!</button>

Behavior Modes

• Auto: Dismisses popover when clicking outside.
• Manual: Requires explicit closure.

Conclusion

A popover in HTML is a small, interactive element that appears when triggered by a user action like clicking or hovering. It displays additional content without disrupting the page layout. Common use cases include tooltips or small forms.