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Harper822

: Compared to Firefox 4 and Google Chrome 10, what can't IE9 do? If a website works in Firefox 4 and in Google Chrome 10, what could potentially cause that website not to work (broken layout

@Harper822

Posted in: #CrossBrowser #InternetExplorer

If a website works in Firefox 4 and in Google Chrome 10, what could potentially cause that website not to work (broken layout or broken JavaScript) in IE9? What limitations and differences does IE9 have, aside from vendor-specific stylesheet rules?

Yes, that is a painfully vague question — that's because I am not asking this question from the perspective of someone with a specific problem! I'm asking this question from the perspective of someone with a working website who does not have access to IE9.

Edit

I +1ed everyone. Thanks for the great answers!

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4 Comments

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@Shakeerah822

This article has nice comparison of IE9: Is IE9 a modern browser?

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@Miguel251

Among the browser comparison studies that I have seen, the caniuse.com browser comparison looks most comprehensive & updated and fits your need. The site allows you to select only two browsers at a time to compare.

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@Kristi941

IE lags behind in support for CSS3 (CSS3 Transitions, text-shadow, CSS3 Gradients, border-image, columns)
IE lags behind in support for SVG (SVG Filters)
Doesn't support Web Workers
Doesn't support drag-and-drop
Doesn't support SVG animations
Doesn't support the File API
Doesn't support Geolocation (I think)
Doesn't support HTML5 Forms
WebGL
MathML


None of these won't cause layouts to break unless you obviously decide to use them. But if you stick with conservative markup and functionality none of these will cause you any issues out of the box.

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@XinRu657

See Quirksmode.com's Compatibility Master Table (and related comparison tables) for examples of IE9's "quirky" interpretations of X/HTML and CSS.

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