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html-domparser.js
JavaScript
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/*
* DOMParser HTML extension
* 2012-09-04
*
* 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("")
;
if (markup.toLowerCase().indexOf('<!doctype') > -1) {
doc.documentElement.innerHTML = markup;
}
else {
doc.body.innerHTML = markup;
}
return doc;
} else {
return real_parseFromString.apply(this, arguments);
}
};
}(DOMParser));

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