質問編集履歴
3
ソースコードの追加 環境公開
test
CHANGED
|
@@ -1 +1 @@
|
|
|
1
|
-
|
|
1
|
+
addEventListenerでエラーがでる
|
test
CHANGED
|
@@ -6,7 +6,7 @@
|
|
|
6
6
|
|
|
7
7
|
```javascript
|
|
8
8
|
|
|
9
|
-
(function()
|
|
9
|
+
(function(){
|
|
10
10
|
|
|
11
11
|
'use strict';
|
|
12
12
|
|
|
@@ -22,35 +22,57 @@
|
|
|
22
22
|
|
|
23
23
|
|
|
24
24
|
|
|
25
|
+
document.addEventListener("DOMContentLoaded", function(){
|
|
25
26
|
|
|
26
|
-
|
|
27
|
-
start.addEventListener('click',
|
|
27
|
+
start.addEventListener('click',function(){
|
|
28
28
|
|
|
29
29
|
startTime = Date.now();
|
|
30
30
|
|
|
31
|
+
});
|
|
32
|
+
|
|
31
33
|
});
|
|
32
34
|
|
|
35
|
+
document.addEventListener("DOMContentLoaded", function(){
|
|
33
36
|
|
|
34
|
-
|
|
35
|
-
stop.addEventListener('click', function() {
|
|
37
|
+
stop.addEventListener('click', function() {
|
|
36
38
|
|
|
37
39
|
var elapsedTime;
|
|
38
40
|
|
|
41
|
+
|
|
42
|
+
|
|
39
43
|
elapsedTime = (Date.now()-startTime)/1000;
|
|
40
44
|
|
|
41
|
-
result.textContent
|
|
45
|
+
result.textContent=elapsedTime.toFixed(3);
|
|
42
46
|
|
|
43
|
-
|
|
47
|
+
});
|
|
44
48
|
|
|
45
49
|
});
|
|
46
50
|
|
|
47
51
|
})();
|
|
48
52
|
|
|
49
|
-
|
|
50
|
-
|
|
51
53
|
```
|
|
52
54
|
|
|
53
55
|
```html
|
|
56
|
+
|
|
57
|
+
<!DOCTYPE html>
|
|
58
|
+
|
|
59
|
+
<html>
|
|
60
|
+
|
|
61
|
+
<head>
|
|
62
|
+
|
|
63
|
+
<meta charset="utf-8" />
|
|
64
|
+
|
|
65
|
+
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
|
66
|
+
|
|
67
|
+
<title>5 second</title>
|
|
68
|
+
|
|
69
|
+
<meta name="viewport" content="width=device-width, initial-scale=1">
|
|
70
|
+
|
|
71
|
+
<link rel="stylesheet" type="text/css" media="screen" href="css/styles.css"/>
|
|
72
|
+
|
|
73
|
+
<script src="js/main.js"></script>
|
|
74
|
+
|
|
75
|
+
</head>
|
|
54
76
|
|
|
55
77
|
<body>
|
|
56
78
|
|
|
@@ -74,7 +96,81 @@
|
|
|
74
96
|
|
|
75
97
|
</body>
|
|
76
98
|
|
|
99
|
+
</html>
|
|
100
|
+
|
|
77
101
|
```
|
|
102
|
+
|
|
103
|
+
```css
|
|
104
|
+
|
|
105
|
+
.container{
|
|
106
|
+
|
|
107
|
+
font-family: 'Courier New', sans-serif;
|
|
108
|
+
|
|
109
|
+
width: 300px;
|
|
110
|
+
|
|
111
|
+
margin: 30px auto 0;
|
|
112
|
+
|
|
113
|
+
text-align: center;
|
|
114
|
+
|
|
115
|
+
font-weight: bold;
|
|
116
|
+
|
|
117
|
+
}
|
|
118
|
+
|
|
119
|
+
|
|
120
|
+
|
|
121
|
+
#target, #result{
|
|
122
|
+
|
|
123
|
+
font-size: 32px;
|
|
124
|
+
|
|
125
|
+
margin-bottom: 15px;
|
|
126
|
+
|
|
127
|
+
background: #ccc;
|
|
128
|
+
|
|
129
|
+
height: 60px;
|
|
130
|
+
|
|
131
|
+
line-height: 60px;
|
|
132
|
+
|
|
133
|
+
}
|
|
134
|
+
|
|
135
|
+
|
|
136
|
+
|
|
137
|
+
#start{
|
|
138
|
+
|
|
139
|
+
float:left;
|
|
140
|
+
|
|
141
|
+
}
|
|
142
|
+
|
|
143
|
+
|
|
144
|
+
|
|
145
|
+
#stop{
|
|
146
|
+
|
|
147
|
+
float:right;
|
|
148
|
+
|
|
149
|
+
}
|
|
150
|
+
|
|
151
|
+
|
|
152
|
+
|
|
153
|
+
#start,#stop{
|
|
154
|
+
|
|
155
|
+
cursor:pointer;
|
|
156
|
+
|
|
157
|
+
font-size: 18px;
|
|
158
|
+
|
|
159
|
+
width:145px;
|
|
160
|
+
|
|
161
|
+
background: #eee;
|
|
162
|
+
|
|
163
|
+
height: 40px;
|
|
164
|
+
|
|
165
|
+
line-height: 40px;
|
|
166
|
+
|
|
167
|
+
box-shadow: 0 6px 0 #ccc;
|
|
168
|
+
|
|
169
|
+
}
|
|
170
|
+
|
|
171
|
+
```
|
|
172
|
+
|
|
173
|
+
OSはWindows
|
|
78
174
|
|
|
79
175
|
環境はchrome,Edgeなどで実行していますが、「 start.addEventListener('click', function() {」この行で同じエラーが出ます。
|
|
80
176
|
|
2
開発環境とエラー箇所
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -75,3 +75,9 @@
|
|
|
75
75
|
</body>
|
|
76
76
|
|
|
77
77
|
```
|
|
78
|
+
|
|
79
|
+
環境はchrome,Edgeなどで実行していますが、「 start.addEventListener('click', function() {」この行で同じエラーが出ます。
|
|
80
|
+
|
|
81
|
+
|
|
82
|
+
|
|
83
|
+
開発ツールはVisual Studio Codeを使用しています。
|
1
resultに関して1行抜けてたのでたしておきます。
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -38,6 +38,8 @@
|
|
|
38
38
|
|
|
39
39
|
elapsedTime = (Date.now()-startTime)/1000;
|
|
40
40
|
|
|
41
|
+
result.textContent = elaspsedTime;
|
|
42
|
+
|
|
41
43
|
|
|
42
44
|
|
|
43
45
|
});
|