CROSS BROWSER TESTING ON Opera 20 BROWSER ONLINE

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Test on Opera 20

Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Opera version 20. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.

free browser compatibility testing on Opera 20 online

20

ELEMENTS NOT SUPPORTED IN Opera 20 BROWSER

:dir() CSS pseudo-class

Matches elements based on their directionality. :dir(ltr) matches elements which are Left-to-Right. :dir(rtl) matches elements which are Right-to-Left.

CSS3 image-orientation

Method of specifying the scrolling behavior for a scrolling box, when scrolling happens due to navigation or CSSOM scrolling APIs.

Object RTC (ORTC) API for WebRTC

Enables mobile endpoints to talk to servers and web browsers with Real-Time Communications (RTC) capabilities via native and simple JavaScript APIs

AbortController & AbortSignal

Controller object that allows you to abort one or more DOM requests made with the Fetch API.

JPEG XR image format

The latest JPEG image format of Joint Photographic Experts Group which boasts better compression and supports lossless compression, alpha channel, and 48-bit deep color over normal jpg format.

HTTP Live Streaming (HLS)

HTTP-based media streaming communications protocol

focus-within CSS pseudo-class

The :focus-within pseudo-class matches elements that either themselves match :focus or that have descendants which match :focus.

CSS Grid Layout

Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all grid-* properties and the fr unit.

:focus-visible CSS pseudo-class

The :focus-visible pseudo-class applies while an element matches the :focus pseudo-class, and the UA determines via heuristics that the focus should be specially indicated on the element (typically via a “focus ring”).

theme-color Meta Tag

Meta tag to define a suggested color that browsers should use to customize the display of the page or of the surrounding user interface.

Information sourced from
Can I use

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

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  • Opera Browser
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