A MediaQueryList object maintains a list of media queries on a document, and handles sending notifications to listeners when the media queries on the document change.

API CSSOM View Experimental Expérimental Interface NeedsMarkupWork NeedsMobileBrowserCompatibility NeedsSplit Reference Référence

API DOM DOM Events JavaScript MouseEvent NeedsBrowserCompatibility NeedsCompatTable NeedsExample NeedsMobileBrowserCompatibility Property Reference

API DOM DOM Events JavaScript MouseEvent NeedsBrowserCompatibility NeedsCompatTable NeedsExample NeedsMobileBrowserCompatibility Property Reference

Allows web sites to register themselves as possible handlers for particular protocols.

API DOM DOM Reference Method Navigator NeedsMobileBrowserCompatibility Reference registerProtocolHandler Web-Based Protocol Handlers

Element HTML HTML embedded content HTML5 Media Multimedia NeedsMobileBrowserCompatibility Reference Web

The HTML element <input> is used to create interactive controls for web-based forms in order to accept data from the user. How an <input> works varies considerably depending on the value of its type attribute.

Element Forms HTML HTML forms HTML input tag MakeBrowserAgnostic NeedsBrowserCompatibility NeedsMobileBrowserCompatibility Reference Web

The HTML <output> element represents the result of a calculation or user action.

Element HTML HTML forms HTML:Flow content HTML5 NeedsMobileBrowserCompatibility Reference Web

Use the  HTML <video> element to embed video content in a document. The video element contains one or more video sources. To specify a video source, use either the src attribute or the <source> element; the browser will choose the most suitable one.

Element HTML HTML embedded content HTML5 Media Multimedia NeedsMobileBrowserCompatibility Reference Web

The ::marker CSS pseudo-element represents the marker box of a list item (e.g. the bullet point or item number).

CSS CSS Lists and Counters CSS Pseudo-element Experimental Layout NeedsBrowserCompatibility NeedsExample NeedsMobileBrowserCompatibility Pseudo-element Reference Web