回答編集履歴
2
chuosei
test
CHANGED
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@@ -25,3 +25,27 @@
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test3();
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27
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```
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28
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+
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もしくは
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```javascript
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const url = 'https://www.jma.go.jp/bosai/forecast/data/overview_week/130000.json';
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const test2 = () => {
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fetch(url).then(async res=>({json:await res.json().then(data=>data)})).then(data=>console.log(data.json));
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};
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test2();
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const test3 = () => {
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fetch(url).then(async res=>[await res.json().then(data=>data)]).then(data=>console.log(data[0]));
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};
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test3();
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```
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1
chouse
test
CHANGED
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@@ -1,3 +1,9 @@
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1
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+
json()自体がpromiseを返すのでthenで受ければ値をとれますが
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2
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3
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[json()]はpromiseが入った配列を返すので、thenで受けても値は取り出せません
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1
7
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```javascript
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8
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9
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const url = 'https://www.jma.go.jp/bosai/forecast/data/overview_week/130000.json';
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