ÉîÈëdz³öObject.defineProperty()

¶ÔÏóµÄ¶¨ÒåÓ븳ֵ ¾­³£Ê¹ÓõĶ¨ÒåÓ븳ֵ·½·¨obj.prop =value»òÕßobj['prop']=value let Person = {} Person.name = 'Jack' Person['gender'] = 'female' console.log(Person.name) // J