回答編集履歴
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answer
CHANGED
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@@ -15,9 +15,12 @@
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15
15
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}
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}
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-
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18
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+
class MyEngine extends Engine {
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-
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update() {
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-
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console.log('HELLO');
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-
}
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}
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}
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+
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const engine = new MyEngine();
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engine.start();
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```
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