回答編集履歴
1
情報の追加。
test
CHANGED
|
@@ -7,3 +7,33 @@
|
|
|
7
7
|
e.style.width = parseFloat( e.style.width ) + 0.5 + "px";
|
|
8
8
|
|
|
9
9
|
```
|
|
10
|
+
|
|
11
|
+
|
|
12
|
+
|
|
13
|
+
---
|
|
14
|
+
|
|
15
|
+
|
|
16
|
+
|
|
17
|
+
**追記：**
|
|
18
|
+
|
|
19
|
+
|
|
20
|
+
|
|
21
|
+
これでいけるはずー。
|
|
22
|
+
|
|
23
|
+
|
|
24
|
+
|
|
25
|
+
```JavaScript
|
|
26
|
+
|
|
27
|
+
e.style.width = parseFloat( window.getComputedStyle( e, null ).getPropertyValue( 'width' ) ) + 0.5 + "px";
|
|
28
|
+
|
|
29
|
+
```**動くサンプル：**[https://jsfiddle.net/dkjc48qc/3/](https://jsfiddle.net/dkjc48qc/3/)
|
|
30
|
+
|
|
31
|
+
|
|
32
|
+
|
|
33
|
+
【Window.getComputedStyle() - Web APIs | MDN】
|
|
34
|
+
|
|
35
|
+
[https://developer.mozilla.org/en-US/docs/Web/API/Window/getComputedStyle](https://developer.mozilla.org/en-US/docs/Web/API/Window/getComputedStyle)
|
|
36
|
+
|
|
37
|
+
|
|
38
|
+
|
|
39
|
+
|