CROSS BROWSER TESTING ON MOZILLA FIREFOX 21 BROWSER ONLINE

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free cross browser testing on mozilla firefox browser

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.

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free browser compatibility testing on Mozilla Firefox 21 online

21

ELEMENTS NOT SUPPORTED IN MOZILLA FIREFOX 21 BROWSER

CSS @apply rule >>

Allows a set of CSS properties to be applied using a named variable

Rebeccapurple color

The new color added in CSS Color Module Level 4

CSS image-set

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.

Object.values method>>

The Object.values() method returns an array of a given object's own enumerable property values.

String.prototype.includes

The includes() method determines whether one string may be found within another string, returning true or false as appropriate.

asm.js

An extraordinarily optimizable, low-level subset of JavaScript, intended to be a compile target from languages like C++.

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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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.

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