从D3.js中的[Object] [Object]数据访问值 [英] Accessing values from [Object][Object] data in D3.js

问题描述

我的数据如下:

var freqData=[
    {State: 'B1',freq:{ segment1:0.024, segment2:0, segment3:0.07, segment4:0.032, segment5:0.021 }},
    {State: 'B2',freq:{ segment1:0.034, segment2:0.008, segment3:0.024, segment4:0.028, segment5:0.024 }}
  ];

您如何访问单个细分名称(即"segment1")?

How do you access an individual segment name (i.e. "segment1")?

我尝试过:

freqData.State.freq but this doesn't work. 

推荐答案

尝试这种方式.

Object.keys(freqData[0].freq); //Returns ["segment1", "segment2", "segment3", "segment4", "segment5"]

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