我正在使用Ajax访问字典REST API。

$.ajax({
  url: "http://api.wordnik.com//v4/word.json/cat/definitions?api_key=mykey&includeRelated=false&includeTags=false&limit=1",
  dataType : 'json',
  success: function(data) {
    //called when successful
    alert(data.word);
  },
  error: function(e) {
    //called when there is an error
    console.log(e.message);
  }
});

响应：

[
  {
    "textProns": [],
    "sourceDictionary": "ahd-legacy",
    "exampleUses": [],
    "relatedWords": [],
    "labels": [],
    "citations": [],
    "word": "cat",
    "text": "A small carnivorous mammal (Felis catus or F. domesticus) domesticated since early times as a catcher of rats and mice and as a pet and existing in several distinctive breeds and varieties.",
    "sequence": "0",
    "score": 0.0,
    "partOfSpeech": "noun",
    "attributionText": "from The American Heritage® Dictionary of the English Language, 4th Edition"
  }
]

在我的测试示例中，我收到undefined有关成功的警报。我看到的大多数Ajax示例都使用循环，但是我返回一个结果。如何从对象中提取word和text值？