This section summarizes various emerging cross-platform web standards that are generally referred to as HTML5. Browser 8.5 offers powerful support for browser-based multimedia, location tracking, cached offline web apps and data, form validation and other text-input enhancements, web messaging, web workers, Canvas and SVG graphics, and detailed access to orientation sensor readings.
Many of the web standards discussed in this section (such as geolocation, web-based storage, device orientation, and cross-document messaging) are not part of the formal HTML5 specification. However, in general usage the term HTML5 has taken on a more expansive meaning, referring to major standards that increase the capabilities of browser-based applications.
Consult the following sections for information on specific features: