使用JavaScript從JSON獲取數組

Question

服務器返回我這樣的對象，但我只需要數組ITEMS。 我怎么才能得到它？ 我試過array['items']但結果不undefiend

{
   "items": [
    {
      ..
    },
    {
      ..
    },
    {
      ..
    }
  ],.. 
  ,..
}

Answer 1

// JSON string returned from the server
var text = '{"items":[{"name":"itemX" ,"price":15},{"name":"itemY","price":25},{"name":"itemZ","price":20}]}';

// Convert the string returned from the server into a JavaScript object.
var object = JSON.parse(text);

// Accessing a specific property value of an item
console.log(object.items[0].name); //itemX

// Extract 'items' in to a separate array
var itemsArray = object.items;
console.log(itemsArray); //[itemObject, itemObject, itemObject]

Answer 2

如果將其作為字符串獲取：

var json = JSON.parse(my_json_string)

然后，

var keys = Object.keys(json);
var values = [];
for(var i = 0; i < keys.length; i++){
    values.push(json[keys[i]]);
}