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PODOM Level 3 XPath in Internet Explorer
 

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    <p>I just installed IE10 on my Windows 7, and I've noticed that, even if I'm glad that XMLs from AJAX requests are now compatible DOM documents, a rather basic function like <code>document.evaluate</code> is <em>still</em> not supported.</p> <p>What's worse is that, since those XMLs are <em>not</em> the custom Microsoft <code>IXMLDocument</code> objects, the nodes don't support <code>selectNodes</code> and <code>selectSingleNode</code> anymore. <strong>In the end, it seems that IE10 does not support DOM Level 3 XPath or MSXML Xpath.</strong></p> <p>Seriously, Microsoft? Is there something I'm missing?</p> <p>Sure, I can use <code>querySelector</code> and <code>querySelectorAll</code>, but I don't want to lose quite a bit of backward compatibility.</p> <p><strong>Otherwise</strong>, one can still request a MSXML document using this line</p> <pre><code>try {xhr.responseType = "msxml-document";} catch(e) {} </code></pre> <p>as stated <a href="http://blogs.msdn.com/b/ie/archive/2012/07/19/xmlhttprequest-responsexml-in-ie10-release-preview.aspx" rel="noreferrer">here</a>, but I think it would be nice to deal with, at last, a standard DOM document in IE too.</p> <p>So, is there a way to use XPath in IE10 with standard DOM documents?</p> <p><strong>UPDATE 26/7/2013</strong> IE11 isn't stable yet, but it <em>still</em> doesn't support <code>document.evaluate</code>. If it won't support it in the stable release, I doubt it will <em>ever</em> support it. Needless to say this is ridicolous.</p> <p>I get that you can use <code>querySelector</code>/<code>All</code> in DOM nodes, but it's not supported in IE9 and lower, which are still quite commonly used, and anyway XPath is more powerful than selectors.</p> <p>Fortunately (if you can say that), you can still set <code>xhr.responseType = "msxml-document"</code>. For a moment I feared you couldn't do that anymore...</p> <p><strong>UPDATE 23/11/2013</strong> IE11 is stable now but, sadly, it doesn't support <code>document.evaluate</code>. As heavy-weight XML documents are used less and less in web applications in favor of JSON or other light notation formats, this is becoming less of a problem, but still.</p> <p>Setting the <code>responseType</code> property still provides legacy XML documents, so nothing is lost I guess. I don't know if that will stay true for IE12, though.</p> <p><strong>UPDATE 15/8/2015</strong> Sounds ridiculous right now, but Edge now supports <code>document.evaluate</code>. Just when (almost) everything switched to JSON for data exchange. Well, better late than never, I guess.</p>
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    1. COWow! Just Googled around a bit and you may be onto something. This would make reason #9678 no one should be using IE!
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