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stable:  2.7.3 Coverage: 100.00% Bundle: 18.21kb Lighthouse: 100 Axe Core Released: 1.15.0
Overview API Examples

Provide a consistent page structure across the applications, ensuring a seamless user experience.

NV

Infrastructure

Link 1 Link 2 EL panel

main

page content

Installation

To enable smooth transitions between page view, see the View Transition API documentation.

CLI / MCP / CDN

Slots

All slot areas and debug backgrounds for nve-page.

Basic nve-page layout with a header and main content.

Subheader

A secondary section below the header, often used for breadcrumbs, filters, or other contextual information.

Toolbar in the subheader slot below the header for secondary navigation or actions.

Subheader Large

A secondary section below the header, often used for breadcrumbs, filters, or other contextual information.

Large subheader panel with back navigation, title, metadata, and action buttons. Use for detail pages that need prominent context like entity names, status badges, and key-value metadata above the main content.

The topmost section of the page, typically containing navigation, branding, or other global elements.

Warning banner in the header slot above the page header.

Left Aside

A narrow section on the left side of the page, commonly used for navigation, filters, or other secondary content.

Left-aside slot with a vertical toolbar for navigation.

Right Aside

A narrow section on the right side of the page, commonly used for navigation, filters, or other secondary content.

Right-aside slot with a vertical toolbar for actions or navigation.

The bottommost section of the page, typically containing global elements, such as copyright information.

Footer slot with a toolbar for links or actions.

A secondary section below the main content area, often used for more information or calls to action.

Subfooter slot with a toolbar for status or metadata.

Left Panel

The main content area on the left side of the page, typically containing primary navigation or features.

Left slot with a page panel for side navigation or content.

Right Panel

The main content area on the right side of the page, typically containing secondary navigation or features.

Right slot with a page panel for side content.

Bottom Panel

A section for extra tooling outputs such as console outputs.

Bottom slot with a page panel for footer or supplemental content.

Invoker Command

Use Page Panel with Invoker Command API to dynamically open and close page panels.

Expandable Panel

Expandable page panels that collapse to a slim strip and toggle open with chevron buttons. Use when panels contain supplementary content that users access intermittently, preserving main content space while keeping panels accessible.

Closable Panel

Closable page panels that fully remove from the layout when dismissed. Use when panels open on demand for temporary tasks like viewing item details or applying filters, and the user needs full main content space when done.

Interaction Drawer

Use Drawer to create navigation that is outside the context of the current view.

Interaction Panel Navigation

Use Page Panel with Toolbar to create complex navigation groups that are within the context of the current view.

Panel Resize

Resizable left panel with drag handle for adjustable sidebar width. Use when users need to control the balance between navigation or outline panels and main content area.

Panel Resize Multi

Multi-panel resizable layout with independent drag handles on left, right, and bottom panels. Use for complex workspaces like IDEs or dashboards where users need to customize the size of each content region independently.

Panel Resize Snap

Resize handle with snap-to-boundary behavior on double-click for quickly toggling a panel between collapsed and expanded states. Use for detail panels that users frequently show and hide.

Layouts

Page Panel Tabs

Page panel with tabbed header for switching between categorized content views within a sidebar. Use when a panel contains related sections like outline, search, and settings that share the same screen region.

Page Panel Headings

Page panel with title and subtitle headings in the header for labeling panel content. Use to provide clear context about what the panel contains, such as a details pane or properties inspector.

Document Scroll

Use document scroll for static content sites that do not require a fixed navigation.

Kitchen Sink

Stress test of all available slot layouts for nve-page.

Release Status

All elements and features go through 3 phases of stability, pre-release, beta and stable.

pre-release
Docs Preview API Documentation Fully Themeable
beta
Robust unit test coverages Passed API Review Passed Designer VQA Review Included in library package
stable
No known outstanding AA WCAG issues No known outstanding performance issues Adapts to different screen/container sizes No breaking API changes for at least 90 days