回答編集履歴
3
ソース修正
test
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@@ -20,7 +20,7 @@
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-
**補足：**
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23
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**補足(Dateをイテラブルにしてまう）：**
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@@ -81,3 +81,37 @@
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```
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みたいな。 ➡ [サンプル](https://codepen.io/i8086x/pen/ExXZbEE?editors=0012)
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84
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86
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**補足(Intl.DateTimeFormat使うてみる)：**
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88
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90
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```javascript
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92
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const date = new Date('2021-09-08T19:12:34.567');
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94
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96
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const arr = new Intl.DateTimeFormat('ja-jp', {
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98
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year: 'numeric', month: 'numeric', day: 'numeric',
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hour: 'numeric', minute: 'numeric', second: 'numeric', fractionalSecondDigits: 3
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})
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.formatToParts(date)
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.filter(({type}) => type !== 'literal')
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.map(({value}, i) => +value - (i==1));
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console.log(arr); // => [2021,8,8,19,12,34,567]
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```
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116
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➡ [サンプル](https://codepen.io/i8086x/pen/rNwjrVj?editors=0012)
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2
ソース修正
test
CHANGED
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@@ -72,7 +72,7 @@
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72
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for (x of d) {
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for (let x of d) {
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console.log(x); // => 2021,8,8,19,12,34,567 が順に出力される
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1
ソース修正
test
CHANGED
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@@ -15,3 +15,69 @@
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15
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```
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➡ [サンプル](https://codepen.io/i8086x/pen/LYLxzLW?editors=0012)
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**補足：**
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自分で書く案、一個挙げときます。もし頻繁にDateオブジェクトからその配列にする場合があるんやったら、いっそDateをイテラブルに拡張してしまって、スプレッド構文でバラせるようにしとけば？
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ゆうて、こない
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```javascript
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34
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Date.prototype[Symbol.iterator] = function* () {
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yield* [
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this.getFullYear(),
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this.getMonth(),
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this.getDate(),
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this.getHours(),
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this.getMinutes(),
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this.getSeconds(),
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this.getMilliseconds()
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];
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}
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```
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な仕込みしといてからの
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```javascript
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const d = new Date('2021-09-08T19:12:34.567');
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const arr = [...d];
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console.log(arr); // => [2021,8,8,19,12,34,567]
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for (x of d) {
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console.log(x); // => 2021,8,8,19,12,34,567 が順に出力される
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78
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}
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```
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みたいな。 ➡ [サンプル](https://codepen.io/i8086x/pen/ExXZbEE?editors=0012)
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