回答編集履歴
1
割り算し忘れ
test
CHANGED
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@@ -6,7 +6,7 @@
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6
6
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7
7
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let str = '0123456789';
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8
8
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9
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-
let sum = parseInt(str, 10);
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9
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+
let sum = parseInt(str, 10) % 9;
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10
10
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11
11
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if(sum === 0 && str > 0) sum = 9;
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12
12
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