回答編集履歴
1
訂正
test
CHANGED
@@ -12,10 +12,10 @@
|
|
12
12
|
|
13
13
|
var x = document.getElementsByClassName('test');
|
14
14
|
|
15
|
-
console.log(x); //1
|
15
|
+
console.log(x.length); //1
|
16
16
|
|
17
17
|
x[0].classList.remove('test');
|
18
18
|
|
19
|
-
console.log(x); //0
|
19
|
+
console.log(x.length); //0
|
20
20
|
|
21
21
|
```
|