feat(loop): for...of文について #95
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| サロゲートペアも考慮し1文字ずつ値を列挙することができます。 | ||
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| ```js | ||
| var string = "吉野家"; |
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"吉野家" じゃない サロゲートペアな文字列欲しい(短めで意味があり、サロゲートペアの例としてよくあがり、商標とかではないもの)
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"𩸽定食"
https://twitter.com/teppeis/status/755583070175055872
"🍣🍵🍡 (U+1F363 U+1F375 U+1F361)"
https://twitter.com/nanto_vi/status/755583839355887616
"𠀋一郎"
https://twitter.com/tgfjt/status/755585245475241985
Closed
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𠮷野家はやっぱり強いので、𩸽 (ホッケ)にするかどうかは #96 のMTGに持ち越します。 |
| 実はすでにiterableオブジェクトは登場していて、Arrayはiterableオブジェクトです。 | ||
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| 次のようにfor...of文で、配列から値を取り出し反復処理を行うことができます。 | ||
| for...in文とは異なり、添字ではなく値を列挙します。 |
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添字とindexとindex値 迷ってる気がする。
添字だと値っぽい感じがしない
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添字って聞くと表記法って印象があるけどそうでもないのかな
| } | ||
| console.log(total); // => 1 | ||
| ``` | ||
| [import, for-in-array-bug-example.js](./src/for-in/for-in-array-bug-example.js) |
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for-inの例普通に間違ってた。
サンプルコードを外部ファイルにしてテストを追加した
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loopの節のサンプルコードを外部ファイルにしてテストを追加していってます。 |
テストをそれぞれ追加
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close #68