Javascript - 映射对象成员以返回新的扁平化对象

Question

是否有更简单的方法来实现下面的代码？使用 lodash 的回答也将被接受。

var obj = {
    dataTable: {
      column1: ["1"],
      column2: ["2"],
      column3: ["3"]
    },
    dataTable2: {
      column4: ["4"],
      column5: ["5"],
      column6: ["6"]
    }     
}    

var result = {};
var keys = Object.keys(obj);

keys.forEach(function(key) {
  var fields = Object.keys(obj[key]);
  fields.forEach(function(field) {
    result[field] = obj[key][field][0];
  });
});

console.log(result)
---> {column1: "1", column2: "2", column3: "3", column4: "4", column5: "5", column6: "6"}

Answer 1

你可以用两个 for...in 循环来做到这一点

var obj = {
  dataTable: {
    column1: ["1"],
    column2: ["2"],
    column3: ["3"]
  }, 
  dataTable2: {
    column4: ["4"],
    column5: ["5"],
    column6: ["6"]
  }     
}, result = {}

for (p in obj) {
  for (a in obj[p]) {
    result[a] = obj[p][a].join('');
  }
}

console.log(result);