Created
March 29, 2012 14:26
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dom parser
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/* | |
* DOMParser HTML extension | |
* 2012-02-02 | |
* | |
* By Eli Grey, http://eligrey.com | |
* Public domain. | |
* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK. | |
*/ | |
/*! @source https://gist.github.com/1129031 */ | |
/*global document, DOMParser*/ | |
(function(DOMParser) { | |
"use strict"; | |
var DOMParser_proto = DOMParser.prototype | |
, real_parseFromString = DOMParser_proto.parseFromString; | |
// Firefox/Opera/IE throw errors on unsupported types | |
try { | |
// WebKit returns null on unsupported types | |
if ((new DOMParser).parseFromString("", "text/html")) { | |
// text/html parsing is natively supported | |
return; | |
} | |
} catch (ex) {} | |
DOMParser_proto.parseFromString = function(markup, type) { | |
if (/^\s*text\/html\s*(?:;|$)/i.test(type)) { | |
var doc = document.implementation.createHTMLDocument("") | |
, doc_elt = doc.documentElement | |
, first_elt; | |
doc_elt.innerHTML = markup; | |
first_elt = doc_elt.firstElementChild; | |
if (doc_elt.childElementCount === 1 | |
&& first_elt.localName.toLowerCase() === "html") { | |
doc.replaceChild(first_elt, doc_elt); | |
} | |
return doc; | |
} else { | |
return real_parseFromString.apply(this, arguments); | |
} | |
}; | |
}(DOMParser)); |
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