回答編集履歴
4
追記
answer
CHANGED
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@@ -6,11 +6,10 @@
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6
6
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timerCount = 0.0;
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7
7
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}
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8
8
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```
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9
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-
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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10
9
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11
10
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---
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12
11
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13
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-
完全蛇足です。
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12
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+
完全蛇足です。スマートに書くとこうなります。
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14
13
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```JavaScripr
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15
14
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16
15
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timerCount = 0;
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@@ -30,4 +29,5 @@
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30
29
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timerCount = 0;
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31
30
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}
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32
31
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33
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-
```
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32
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+
```
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33
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+
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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3
追記
answer
CHANGED
|
@@ -6,4 +6,28 @@
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6
6
|
timerCount = 0.0;
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7
7
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}
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8
8
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```
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9
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-
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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9
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+
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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10
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+
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11
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+
---
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|
12
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+
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13
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+
完全蛇足です。
|
|
14
|
+
```JavaScripr
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|
15
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+
|
|
16
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+
timerCount = 0;
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17
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+
function start() {
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18
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+
timerId = setInterval(function(){
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19
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+
timerCount++;
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20
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+
document.getElementById("timer").textContent = timerCount / 10;
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21
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+
},100);
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22
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+
}
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23
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+
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24
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+
function stop() {
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25
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+
clearInterval(timerId);
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26
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+
}
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|
27
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+
|
|
28
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+
function reset() {
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29
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+
document.getElementById('timer').textContent = '0.0';
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|
30
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+
timerCount = 0;
|
|
31
|
+
}
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|
32
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+
|
|
33
|
+
```
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2
追記
answer
CHANGED
|
@@ -6,27 +6,4 @@
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|
|
6
6
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timerCount = 0.0;
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7
7
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}
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|
8
8
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```
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|
9
|
-
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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|
9
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+
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
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|
10
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-
|
|
11
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-
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12
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-
---
|
|
13
|
-
|
|
14
|
-
完全蛇足ですがスマートに書くとこうなります。
|
|
15
|
-
```JavaScript
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|
16
|
-
function start() {
|
|
17
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-
timerId = setInterval(function(){
|
|
18
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-
timerCount += 0.1;
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19
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-
document.getElementById("timer").textContent = Math.round(timerCount * 10) / 10;
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20
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-
},100);
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21
|
-
}
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22
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-
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23
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-
function stop() {
|
|
24
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-
clearInterval(timerId);
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25
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-
}
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|
26
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-
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|
27
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-
function reset() {
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28
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-
document.getElementById('timer').textContent = '0.0';
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29
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-
timerCount = 0;
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|
30
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-
}
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31
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-
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|
32
|
-
```
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1
追記
answer
CHANGED
|
@@ -6,4 +6,27 @@
|
|
|
6
6
|
timerCount = 0.0;
|
|
7
7
|
}
|
|
8
8
|
```
|
|
9
|
-
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
|
|
9
|
+
[サンプル](https://codepen.io/asuchi0819/pen/eYYyQqv)
|
|
10
|
+
|
|
11
|
+
|
|
12
|
+
---
|
|
13
|
+
|
|
14
|
+
完全蛇足ですがスマートに書くとこうなります。
|
|
15
|
+
```JavaScript
|
|
16
|
+
function start() {
|
|
17
|
+
timerId = setInterval(function(){
|
|
18
|
+
timerCount += 0.1;
|
|
19
|
+
document.getElementById("timer").textContent = Math.round(timerCount * 10) / 10;
|
|
20
|
+
},100);
|
|
21
|
+
}
|
|
22
|
+
|
|
23
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+
function stop() {
|
|
24
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+
clearInterval(timerId);
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|
25
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+
}
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|
26
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+
|
|
27
|
+
function reset() {
|
|
28
|
+
document.getElementById('timer').textContent = '0.0';
|
|
29
|
+
timerCount = 0;
|
|
30
|
+
}
|
|
31
|
+
|
|
32
|
+
```
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