回答編集履歴
1
訂正
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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そういうことでは？
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6
6
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```js
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7
7
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var x = document.getElementsByClassName('test');
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8
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-
console.log(x); //1
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8
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+
console.log(x.length); //1
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9
9
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x[0].classList.remove('test');
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10
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-
console.log(x); //0
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10
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+
console.log(x.length); //0
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11
11
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```
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