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

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

View file

@ -437,8 +437,21 @@ function cloneFixAttributes( src, dest ) {
} }
jQuery.buildFragment = function( args, nodes, scripts ) { jQuery.buildFragment = function( args, nodes, scripts ) {
var fragment, cacheable, cacheresults, var fragment, cacheable, cacheresults, doc;
doc = (nodes && nodes[0] ? nodes[0].ownerDocument || nodes[0] : document);
// 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 // 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 // Cloning options loses the selected state, so don't cache them

View file

@ -1385,3 +1385,12 @@ test("jQuery.buildFragment - no plain-text caching (Bug #6779)", function() {
equals($f.text(), bad.join(""), "Cached strings that match Object properties"); equals($f.text(), bad.join(""), "Cached strings that match Object properties");
$f.remove(); $f.remove();
}); });
test("jQuery.buildFragment - plain objects are not a document #8950", function() {
expect(1);
try {
jQuery('<input type="hidden">', {});
ok( true, "Does not allow attribute object to be treated like a doc object");
} catch (e) {}
});