+ \r
+ var nullUndef;\r
+ nullUndef = jQuery.extend({}, options, { xnumber2: null });\r
+ ok( nullUndef.xnumber2 === null, "Check to make sure null values are copied");\r
+ \r
+ nullUndef = jQuery.extend({}, options, { xnumber2: undefined });\r
+ ok( nullUndef.xnumber2 === options.xnumber2, "Check to make sure undefined values are not copied");\r
+ \r
+ nullUndef = jQuery.extend({}, options, { xnumber0: null });\r
+ ok( nullUndef.xnumber0 === null, "Check to make sure null values are inserted");\r
+ \r