回答編集履歴
1
parseInt忘れ
test
CHANGED
@@ -2,7 +2,7 @@
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2
2
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```jQuery
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5
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-
var num = $('[id|="list-num"]:visible').val();
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5
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+
var num = parseInt($('[id|="list-num"]:visible').val(), 10);
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6
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```
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8
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