回答編集履歴
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indexOf
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CHANGED
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@@ -1,8 +1,3 @@
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1
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1
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indexOf, lastIndexOf の返り値が一致しない要素値を出力
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2
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2. `String.prototype.replace` の第二引数に関数を指定
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3
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3. 変換テーブルを元に置換
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2
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/String/replace
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6
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https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Map
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7
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3
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Re: one-two さん
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