API Support in Opera Presto 2.12

Contents

File API

Current W3C reference:
File API
Documentation last updated at:
Editors' Draft 2012-05-07
Support information:
As of the last update, the editors' draft was supported with the exceptions listed below:
URL partial interface
Methods Support
createObjectURL(…) No
revokeObjectURL(…) No

The following additional items are not supported:

  • Loading from blob: urls

Fullscreen API

Current W3C reference:
Fullscreen
Documentation last updated at:
Editors' Draft 2012-02-07
Support information:
As of the last update, the editors' draft was fully supported.

Geolocation API

Current W3C reference:
Geolocation API Specification
Documentation last updated at:
Candidate Recommendation 2010-09-07
Support information:
As of the last update, the candidate recommendation was fully supported and functions as described below:
  • User-enabled geolocation services are provided through Google Location Services (GLS). A user decides to share or not share their device location with a Web site based on trust; see section 4.2 of the W3C Geolocation API specification.
  • IP address and WiFi recognition are implemented.
    • IP address recognition works with GLS by recognizing your IP address and telling you the cordinates based on it.
    • WiFi recognition works with GLS by gathering and then sending a list of all nearby wireless networks including MAC (Media Access Control) address, SSID (Service set identifier) name, and signal strength, which returns your coordinates.

Page Visibility API

Current W3C reference:
Page Visibility
Documentation last updated at:
Editors' Draft 2012-07-10
Support information:
As of the last update, the editors' draft was supported as follows:
  • The visible and hidden states are supported
  • Events are only sent when the platform signals the window or tab visibility is changing

Server-Sent Events (EventSource)

Current W3C reference:
Server-Sent Events
Documentation last updated at:
Working Draft 2012-04-26
Support information:
As of the last update, the working draft was fully supported.

WebSocket API

Current W3C and WebSocket Protocol reference:
The WebSocket API
RFC 6455 - The WebSocket Protocol
Documentation last updated at:
Working Draft 2012-05-24
Support information:
As of the last update, the working draft was fully supported.

Web Storage API

Current W3C reference:
Web Storage
Documentation last updated at:
Candidate Recommendation 2011-12-08
Support information:
As of the last update, the candidate recommendation was fully supported.

Web Workers

Current W3C reference:
Web Workers
Documentation last updated at:
Working Draft 2011-02-08
Support information:
As of the last update, the working draft was fully supported.

Documentation

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