Test on Mozilla Firefox 21
Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 21. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.
ELEMENTS NOT SUPPORTED IN MOZILLA FIREFOX 21 BROWSER
CSS @apply rule >>
Allows a set of CSS properties to be applied using a named variable
The new color added in CSS Color Module Level 4
Method of letting the browser pick the most appropriate CSS background image from a given set, primarily for high PPI screens.
CSS font-rendering controls
@font-face descriptor (currently defined as font-display) that allows control over how a downloadable font renders before it is fully loaded.
CSS3 attr() function for all properties
While attr() is supported for effectively all browsers for the content property, CSS Values and Units Level 3 adds the ability to use attr() onany CSS property, and to use it for non-string values (e.g. numbers, colors).
CSS text-stroke and text-fill
Method of declaring the outline (stroke) width and color for text.
CSS writing-mode property
Property to define whether lines of text are laid out horizontally or vertically and the direction in which blocks progress.
The Object.values() method returns an array of a given object's own enumerable property values.
The includes() method determines whether one string may be found within another string, returning true or false as appropriate.
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
You can choose from a range of 1400+ desktop and mobile browsers including Internet Explorer, Safari, Internet Explorer, Edge, Yandex, Opera, and Firefox allowing you to ensure that your customers get pixel perfect experience across all screen sizes, devices, operating systems, browsers, and resolutions.
Fastest Way for Cross Browser Testing
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