回答編集履歴
3
ｔｙぽ
test
CHANGED
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File without changes
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2
修正
test
CHANGED
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@@ -12,11 +12,13 @@
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12
12
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"<th>aa</th><th>bb</th><th>cc</th><th>dd</th>",
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+
"<td>aa</td>",
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+
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];
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var b=a.map(function(x){
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-
return x.match(/<th>/g).length;
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21
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return (x.match(/<th>/g)||[]).length;
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});
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@@ -25,3 +27,5 @@
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25
27
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27
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```
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30
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+
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31
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+
※１つもヒットしない場合が抜けていたので修正しました
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1
chousei
test
CHANGED
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@@ -20,4 +20,8 @@
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20
20
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21
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});
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+
console.log(b);
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+
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25
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+
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+
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```
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