function Person() {} ? ?Person.prototype.name="Nicholas"; ? ?Person.prototype.age=27; ? ?Person.prototype.job="teacher"; ? ?Person.prototype.sayName=function () { ? ? ? ?alert(this.name) ? ?}; ? ?var person1=new Person(); ? ?var person2=new Person(); ? ?person1.name="greg";alert(person1.name);alert(person2.name);//關(guān)于functiong Person{},后面的那個(gè)括號(hào)不在"teacher";后面,很疑惑請(qǐng)教一下大家?
關(guān)于函數(shù)括號(hào)的一個(gè)小疑問(wèn)?
慕函數(shù)5546839
2017-04-30 10:50:53