javascript - 当 key 是包含空格的字符串时，获取对象中的 key 元素

Question

我有一个内容类似于以下内容的 json 文件

{
    "dlg-4b2edcfb-7fa5-4a93-a82e-8a6637fb5d7a": [
        {
            "utteranceID": 0,
            "speaker": "agent",
            "source": "[UFT]HI, how can i help you?",
            "target": "[UFT]",
            "input formality tone": "unacceptable"
        },
        {
            "utteranceID": 1,
            "speaker": "customer",
            "source": "Hi, could you help me with ordering from Starbucks?",
            "target": "[UFT]",
            "input formality tone": "unacceptable"
        }       
    ]
}

我需要从键“输入形式音”中提取值。我已经尝试过这段代码，但它null作为结果返回

function test() {
  var file = DriveApp.getFileById("19ncMpYna8VEBCVfvMjbuImFZXPx2Jlw0");
  var filecontent = file.getBlob().getDataAsString();
  var jsonparse = JSON.parse(filecontent);
  for (var key in jsonparse) {
    var arr = jsonparse[key];
    for (var i=0; i<arr.length; i++) {
      var item = arr[i];
      Logger.log(item)
      inputFormalityTone = "input formality tone";
      Logger.log(item.inputFormalityTone)
    }
  }
}

你能帮我解决这个问题吗？提前致谢，

标签： javascriptjson