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POHow to Generate All Possible CSS 2 Selector Combinations?
 

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  1. POHow to Generate All Possible CSS 2 Selector Combinations?
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    <p>What would be the best way to generate all possible CSS 2 Selector Combinations for a DOM element in context with the current state of the <code>document</code>? </p> <p>Eg: For the following MarkUp</p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /&gt; &lt;title&gt;&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;div id="content"&gt; &lt;ul&gt; &lt;li&gt;a&lt;/li&gt; &lt;li&gt;b&lt;/li&gt; &lt;li class="last-li"&gt;c&lt;/li&gt; &lt;!--ARGUMENT ELEMENT--&gt; &lt;/ul&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>A JS/jQuery Method such that the <code>&lt;!--ARGUMENT ELEMENT--&gt;</code> in the above markup is given as an argument to the method it returns all possible CSS 2 Selector combinations for the Argument in form of an array. An optional parameter can be added to the method which will define the maximum depth of CSS 2 Selector Nesting. If this parameter is set to false it should return all possible combinations (Will be a performance hogger if set to false)</p> <p>Example Output:</p> <pre><code>[ ".last-li", "li.last-li", "ul .last-li", "ul li.last-li", "div ul .last-li", "div ul li.last-li", "#content ul .last-li", "#content ul li.last-li", "div#content ul .last-li", "div#content ul li.last-li", "body div ul li.last-li", "body div ul .last-li", "body #content ul li.last-li", "body div#content ul .last-li", "body div#content ul li.last-li", ] </code></pre> <p>Any pointers in this regard will be extremely helpful.</p>
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    1. COThrow in all the other selectors and even the most trivial documents will generate huge numbers of possible selectors. This can't be a useful exercise, surely?!
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    2. COYou mean CSS selector combinations. Anyway, what do you need them for? There are a **large number**, perhaps **hundreds**, of possible CSS selectors for that element alone, more than the ones in your example.
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    3. COI presume you _do_ realize that even for a slightly larger html document, the total number of combinations is going to be really large!
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