vue给数组内的对象里面添加一个元素

this.$set

changeChoice(indexex,index){const that = this;let details= that.typeItems[indexex].details[index]if(details.hasOwnProperty('show')){details.show = !details.show;}else{that.$set(details,'show',true);//给数组内的对象添加一个新的元素}
},