回答編集履歴
2
chousei
answer
CHANGED
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@@ -3,7 +3,7 @@
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3
3
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const func2=()=>new Promise(resolve=>setTimeout(()=>resolve(2),1000));
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4
4
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const func3=()=>new Promise(resolve=>setTimeout(()=>resolve(3),2000));
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5
5
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6
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-
const wrap=async(func)=>
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6
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+
const wrap=async(func)=>console.log(await func());
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7
7
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console.log("start");
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8
8
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Promise.all([
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9
9
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wrap(func1),
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1
test
answer
CHANGED
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@@ -1,1 +1,13 @@
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1
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+
```javascript
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2
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+
const func1=()=>new Promise(resolve=>setTimeout(()=>resolve(1),3000));
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3
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+
const func2=()=>new Promise(resolve=>setTimeout(()=>resolve(2),1000));
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4
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+
const func3=()=>new Promise(resolve=>setTimeout(()=>resolve(3),2000));
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5
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+
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6
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+
const wrap=async(func)=>{ret=await func(),console.log(ret),ret};
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7
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+
console.log("start");
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8
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+
Promise.all([
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1
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-
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9
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+
wrap(func1),
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10
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+
wrap(func2),
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11
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+
wrap(func3),
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12
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+
]).then(res=>console.log("end"));
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13
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+
```
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