如何在javascript中将带有JSON对象的二维数组变成单个数组？

Question

在这里，我在数组中有一个JSON对象，并将其推送到employeeArray，这是

employeeArray =[  
  [  
    {  
      "ID":"967",
      "NAME":"Dang, Lance D",
      "Email":"Lance.Dang@xyz.com"
    }
  ],
  [  
    {  
      "ID":"450",
      "NAME":"Starnes, Mitch",
      "Email":"Mitchell.Starnes@xyz.com"
    }
  ],
  [  
    {  
      "ID":"499",
      "NAME":"Cosby, Lance H",
      "Email":"Lance.Cosby@xyz.com"
    }
  ]
]; 

如何将其放入带有JSON对象的单个数组中，如

employeeArray =[  
  {  
    "ID":"967",
    "NAME":"Dang, Lance D",
    "Email":"Lance.Dang@xyz.com"
  },
  {  
    "ID":"450",
    "NAME":"Starnes, Mitch",
    "Email":"Mitchell.Starnes@xyz.com"
  },
  {  
    "ID":"499",
    "NAME":"Cosby, Lance H",
    "Email":"Lance.Cosby@xyz.com"
  }
];

帮助我使用以上二维数组值，并在纯javascript中构建我期望的数组。

Answer 1

您希望将数组扁平化，这可以通过reduce调用来完成：

employeeArray.reduce((p, c) => p.concat(c), [])

ES5：

employeeArray.reduce(function (p, c) {
  return p.concat(c);
}, []);