JavaScript 数组数据转换：将数字和类型转换为值和名称并计算百分比

const total = arr.reduce((sum, obj) => sum + obj.number, 0); const newArr = arr.map(obj => { const percentage = obj.number / total * 100; return { value: obj.number, name: obj.processType, percentage: Math.round(percentage) }; });