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jQuery.buildFragment, ensure doc is a document; Includes comments; Adds unit test. Fixes #8950

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This commit is contained in:
Rick Waldron 2011-04-30 10:42:36 -04:00
parent e2bace8fa1
commit 0c2d1aee54
2 changed files with 27 additions and 5 deletions
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21
src/manipulation.js
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@ -437,8 +437,21 @@ function cloneFixAttributes( src, dest ) {
}
jQuery.buildFragment = function( args, nodes, scripts ) {
var fragment, cacheable, cacheresults,
doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
var fragment, cacheable, cacheresults, doc;
// nodes may contain either an explicit document object,
// a jQuery collection or context object.
// If nodes[0] contains a valid object to assign to doc
if ( nodes && nodes[0] ) {
doc = nodes[0].ownerDocument || nodes[0];
}
// Ensure that an attr object doesn't incorrectly stand in as a document object
// Chrome and Firefox seem to allow this to occur and will throw exception
// Fixes #8950
if ( !doc.createDocumentFragment ) {
doc = document;
}
// Only cache "small" (1/2 KB) HTML strings that are associated with the main document
// Cloning options loses the selected state, so don't cache them
@ -500,7 +513,7 @@ jQuery.each({
function getAll( elem ) {
if ( "getElementsByTagName" in elem ) {
return elem.getElementsByTagName( "*" );
} else if ( "querySelectorAll" in elem ) {
return elem.querySelectorAll( "*" );
@ -746,4 +759,4 @@ function evalScript( i, elem ) {
}
}
})( jQuery );
})( jQuery );