dojo 的复制

function info()
		{
			var bicester = {city:"Bicester",conutry:"UK"};
			var attraction = {name:"Blenheim Palace",cost:15,location:bicester};
			var try1,try2,try3;
			
			try1 = attraction;
			try2 = dojo.mixin({},attraction);
			try3 = dojo.clone(attraction);
			 bicester.city="henan";
			alert(try2.location.city);
			alert(try3.location.city);
			}