链式调用

[Sunny Fu]

链式调用

[veneno_o]

const count = {
    value:0,
    add:function(newValue){
        this.value += newValue;
        return this;
    },
    del:function(newValue){
        this.value -= newValue;
        return this;
    }
}

[kangkang123269]

let obj = {
  value: 1,
  increment: function () {
    this.value += 1;
    return this;
  },
  add: function (v) {
    this.value += v;
    return this;
  },
  shout: function () {
    console.log(this.value);
    return this;
  }
};

obj.increment().add(3).shout(); // 输出：5