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POIs there a way of testing CSS?
 

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    <p>I know that this idea has come up before - notably <a href="https://stackoverflow.com/questions/342579/css-unit-testing">here</a> and <a href="https://stackoverflow.com/questions/5696739/tdd-testing-css-and-html">here</a> - but no solution seems to have been given. It was largely seen as either a 'nice-to-have-but-impossible' or 'stupid idea'.</p> <p>My thoughts were using jQuery to calculate computed values and compare them to expected values. For example, I could have <code>&lt;h1&gt;This is a header&lt;/h1&gt;</code> and in theory, I should know it's font-size, colour, font-weight, etc. I can use jQuery to check that it is actually that font-size, and if not, return an error.</p> <p>The advantage of this is that I don't have to sit with a checklist going through each browser - 'Is this header bold? Are these links underlined? Is this column 110px wide?' - every time I make a CSS change.</p> <p>My question - is that a feasible idea? What are the major problems in implementing something like that? Has anyone done something like that before?</p> <p>EDIT: Any thoughts on how to actual render the errors are welcome too. I thought of using a JavaScript file in the header of the relevant page and then adding content to the page, kind of like Firebug's on-page version. However, I'm worried that could then affect the rendering of the page. Alternatively, I could log it to the console, but I don't think IE6 has a proper console, and opening every console of every browser for every page-under-test seems a bit annoying as well.</p>
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    1. USDan Blows
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    1. COI'm sure it's possible, but you will have to be aware of some browser differences: for example, if a div has a background color of blue, IE will say it is blue, and Chrome will say it's #0000FF
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      1. USPeter Olson
    2. COHmm, good point. So I guess I would need to have a library which standardises the attributes before it checks them.
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      1. USDan Blows
    3. COThere's no real need to check for *every* css change you make, just get the whole thing working in one browser, then bug-fix for the others after.
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      1. USWesley Murch
 

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