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Fix for bug #1546 where a deep copy was attempted of DOM elements (which isn't needed).

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This commit is contained in:
John Resig 2007-10-17 23:35:57 +00:00
parent 9ac9aaeec3
commit 14b88f6019
2 changed files with 6 additions and 5 deletions
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2
src/core.js
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@ -534,7 +534,7 @@ jQuery.extend = jQuery.fn.extend = function() {
continue;
// Recurse if we're merging object values
if ( deep && typeof options[ name ] == "object" && target[ name ] )
if ( deep && typeof options[ name ] == "object" && target[ name ] && !options[ name ].nodeType )
jQuery.extend( target[ name ], options[ name ] );
// Don't bring in undefined values

9
test/unit/core.js
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@ -778,7 +778,7 @@ test("is(String)", function() {
});
test("$.extend(Object, Object)", function() {
expect(10);
expect(11);
var settings = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
options = { xnumber2: 1, xstring2: "x", xxx: "newstring" },
@ -786,9 +786,9 @@ test("$.extend(Object, Object)", function() {
merged = { xnumber1: 5, xnumber2: 1, xstring1: "peter", xstring2: "x", xxx: "newstring" },
deep1 = { foo: { bar: true } },
deep1copy = { foo: { bar: true } },
deep2 = { foo: { baz: true } },
deep2copy = { foo: { baz: true } },
deepmerged = { foo: { bar: true, baz: true } };
deep2 = { foo: { baz: true }, foo2: document },
deep2copy = { foo: { baz: true }, foo2: document },
deepmerged = { foo: { bar: true, baz: true }, foo2: document };
jQuery.extend(settings, options);
isObj( settings, merged, "Check if extended: settings must be extended" );
@ -801,6 +801,7 @@ test("$.extend(Object, Object)", function() {
jQuery.extend(true, deep1, deep2);
isObj( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );
isObj( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );
equals( deep1.foo2, document, "Make sure that a deep clone was not attempted on the document" );
var defaults = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },
defaultsCopy = { xnumber1: 5, xnumber2: 7, xstring1: "peter", xstring2: "pan" },