回答編集履歴
2
[]
answer
CHANGED
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@@ -2,7 +2,7 @@
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2
2
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//名前の衝突防止
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3
3
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const shuffle = Symbol('shuffle');
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4
4
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//shuffleの実装と仮定
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5
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-
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5
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+
_shuffle(){ return [] };
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6
6
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7
7
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Object.defineProperty(Array.prototype, shuffle, {
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8
8
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value: _shuffle,
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1
comment
answer
CHANGED
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@@ -1,6 +1,8 @@
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1
1
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```
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2
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+
//名前の衝突防止
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2
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-
const shuffle = Symbol('shuffle');
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3
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+
const shuffle = Symbol('shuffle');
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4
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+
//shuffleの実装と仮定
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3
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-
const _shuffle = () => [];
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5
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+
const _shuffle = () => [];
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4
6
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5
7
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Object.defineProperty(Array.prototype, shuffle, {
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6
8
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value: _shuffle,
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