Test on Mozilla Firefox 52
Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 52. 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 52 BROWSER
Proprietary and undocumented CSS property that will contain text to a given amount of lines when used in combination with display: -webkit-box. It will end with ellipsis when text-overflow: ellipsis is included.
CSS @apply rule
Allows a set of CSS properties to be applied using a named variable
Allows some punctuation characters from start (or the end) of text elements to be placed "outside" of the box in order to preserve the reading flow.
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.
The CSS contain property lets developers limit the scope of the browser's styles, layout and paint work for faster and more efficient rendering.
selector list argument of :not()
Selectors Level 4 allows the :not() pseudo-class to accept a list of selectors, which the element must not match any of. Selectors Level 3 only allowed :not() to accept a single simple selector. Thus, :not(a):not(.b):not([c]) can instead be written as :not(a, .b, [c])
Method of letting the browser pick the most appropriate CSS background image from a given set, primarily for high PPI screens.
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).
Media Queries: interaction media features
Allows a media query to be set based on the presence and accuracy of the user's pointing device, and whether they have the ability to hover over elements on the page. This includes the pointer, any-pointer, hover, and any-hover media features.
Explicit descendant combinator >>
An explicit, non-whitespace spelling of the descendant combinator. A >> B is equivalent to A B.
Information sourced from
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