var auto = {
marca:"jaguar",
puertas :2,
//ahora 2 metodos
prenderAuto:function(){
alert("el auto esta prendido");
},
apagarAuto:function(){
alert("el auto esta apagado");
}
}
alert(auto.marca);
alert(auto.puertas);
auto.prenderAuto();
auto.apagarAuto();
//ahora que pasa si hago esto?(por supuesto nos dara undefined)
alert(auto.direccion);
auto.direccion = "electrica";
alert(auto.direccion);//hemos agregado la propiedad direccion
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