回答編集履歴
1
chousei
test
CHANGED
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@@ -4,3 +4,52 @@
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4
4
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console.log(obj); // {a:5,b:6}
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5
5
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```
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6
6
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おそらくjsonデータの作り方が間違えているのでしょう。
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7
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+
もしこんなふうなjsonデータとしたらregionはこうやって得てください
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8
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```javascript
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9
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const json={
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10
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"hoge":[
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11
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{
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12
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"no":"001",
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13
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"date":[
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14
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{
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15
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"region":"001-1",
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16
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"detail":{
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17
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"name":"タナカ",
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18
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"type":"C",
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19
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"weight":"40kg",
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20
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"height":"177m",
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21
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}
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22
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},{
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23
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"region":"001-2",
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24
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"detail":{
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25
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"name":"ヨシダ",
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26
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"type":"C",
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27
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"weight":"53kg",
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28
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"height":"164m",
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29
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}
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30
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},{
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31
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"region":"001-3",
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32
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"detail":{
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33
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"name":"サトウ",
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34
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"type":"C",
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35
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"weight":"70kg",
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36
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"height":"180m",
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37
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}
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38
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}
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39
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]
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40
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}
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41
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]
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42
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}
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43
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const getAllValues=(x)=>{
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44
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var ret=[];
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45
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Object.entries(x).forEach(y=>{
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46
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if(y[1] instanceof Object){
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47
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ret=ret.concat(getAllValues(y[1]));
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48
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}else{
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49
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ret.push(y);
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50
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}
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51
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});
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52
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return ret;
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53
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};
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54
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console.log(getAllValues(json).filter(x=>x[0]=="region").map(x=>x[1]));
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55
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```
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