this.dataList = [ {id:2,name:'zhang'}, {id:4,name:'chen'}, {id:6,name:'xiao'}, ] console.log('最大值',Math.max.apply(Math, dataList.map(item => { return item.id }))) console.log('最小值', Math.min.apply(Math, dataList.map(item => { return item.id }))) console.log('平均值',dataList.reduce((acc, curr) => acc + Number(curr.id), 0) / dataList.length)