Test on Opera 28
Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Opera version 28. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.
ELEMENTS NOT SUPPORTED IN Opera 28 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.
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
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" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
Other Browsers to Choose From
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Fastest Way for Cross Browser Testing
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