CROSS BROWSER TESTING ON MOZILLA FIREFOX 51 BROWSER ONLINE

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Test on Mozilla Firefox 51

Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 51. 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 51 online

51

ELEMENTS NOT SUPPORTED IN MOZILLA FIREFOX 51 BROWSER

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 image-set

Method of letting the browser pick the most appropriate CSS background image from a given set, primarily for high PPI screens.

SVG fonts

Method of using fonts defined as SVG shapes. Removed from SVG 2.0 and considered as a deprecated feature with support being removed from browsers.

seamless attribute for iframes

The seamless attribute makes an iframe's contents actually part of a page, and adopts the styles from its hosting page. The attribute has been removed from both the WHATWG and the W3C HTML5 specifications.

Custom Elements v1

Method of defining new HTML tags.

Dialog element

Method of easily creating custom dialog boxes to display to the user with modal or non-modal options. Also includes a ::backdrop pseudo-element for behind the element.

CSS ::marker pseudo-element

The ::marker pseudo-element allows list item markers to be styled or have their content value customized.

CSS Canvas Drawings

Method of using HTML5 Canvas as a background image. Not currently part of any specification.

CSS text-justify

CSS property to define how text should be justified when text-align: justify is set.

CSS widows & orphans

CSS properties to control when lines break across pages or columns by defining the amount of lines that must be left before or after the break.

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.

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