javascript - 如何在javascript中迭代到对象方法

Question

let person = {
  firstName: "Rella",
  lastName: "binson",
  age: 18,
  getFullName: function() {
    return this.firstName + ' ' + this.lastName;
  }
};

for (let key in person) {
  if (person.hasOwnProperty(key)) {
    console.log(key + ' ' + person[key])
  }
}
// it doesn't print 'getFullName()

Answer 1

考虑使用 getter 属性:

let person = {
  firstName: "Rella",
  lastName: "binson",
  age: 18,
  get getFullName() {
    return this.firstName + ' ' + this.lastName;
  }
};

for (let key in person) {
  if (person.hasOwnProperty(key)) {
    console.log(key + ' ' + person[key])
  }
}

引用:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get