我正在嘗試按類別排列這一系列產(chǎn)品?，F(xiàn)在，我得到了每個類別的計數(shù)，但我不知道如何制作這個二維數(shù)組輸出。let products = [  {name: 'Tequila', category: 'drink'},   {name: 'Beer', category: 'drink'},   {name: 'Burger', category: 'food'},  {name: 'Shawarma', category: 'food'},   {name: 'Wine', category: 'drink'},  {name: 'Gelatto', category: 'dessert'}];/*expected ouputlet arranged = [[  {name: 'Tequila', category: 'drink'},   {name: 'Beer', category: 'drink'},  {name: 'Wine', category: 'drink'}], [  {name: 'Burger', category: 'food'},  {name: 'Shawarma', category: 'food'}], [  {name: 'Gelatto', category: 'dessert'}]];*/這是我現(xiàn)在的代碼：let products = [  {name: 'Tequila', category: 'drink'},   {name: 'Beer', category: 'drink'},   {name: 'Burger', category: 'food'},  {name: 'Shawarma', category: 'food'},   {name: 'Wine', category: 'drink'},  {name: 'Gelatto', category: 'dessert'}];let arranged = {};products.map(x => arranged[x.category] = 1 + (arranged[x.category] || 0));console.log(arranged);