问 如何将多维数组转换为json对象(node js)

EN

这是一个示例：

let arr1=[{a:1}];
let arr2=[{b:2}];
let arr3=[{c:3}];
let Result = arr1.concat(arr2,arr3); // Result = [{a:1},{b:2},{c:3}]
let arr4=[
    [{a:1}],
    [{b:2}],
    [{c:3}],
let Result2 = [].concat(...arr4); //Result2 = [{a:1},{b:2},{c:3}]

同样，Map也是一个好主意

如果你得到了这个：

arr = [ [ { Service: '1e',
    Maintainability: 'A',
    Issues: 2,
    Coverage: 1.2 } ]  ,
  [ { Service: '2',
    Maintainability: 'B',
    Issues: 2,
    Coverage: 0.6 } ],
  [ { Service: '3',
    Maintainability: 'C',