質問編集履歴
1
追記
test
CHANGED
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File without changes
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test
CHANGED
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@@ -79,3 +79,93 @@
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79
79
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となるので、
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80
80
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81
81
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これで何故、val.text()でエラーが出てしまうのかわかりません。
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82
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+
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83
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+
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84
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+
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85
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+
### 追記
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86
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+
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87
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+
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88
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+
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89
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+
現状の全コードです。
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90
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+
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91
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+
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92
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+
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93
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+
```html
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94
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+
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95
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+
<!DOCTYPE html>
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96
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+
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97
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+
<html>
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98
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+
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99
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+
<head>
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100
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+
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101
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+
<meta charset="UTF-8">
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102
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+
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103
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+
<title>sample page</title>
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104
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+
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105
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+
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
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106
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+
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107
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+
<script src="sample01.js"></script>
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108
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+
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109
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+
<!-- <link rel="stylesheet" type="text/css" href="sample01.css"> -->
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110
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+
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111
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+
</head>
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112
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+
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113
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+
<body>
|
|
114
|
+
|
|
115
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+
<table>
|
|
116
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+
|
|
117
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+
<tr>
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118
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+
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119
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+
<td class = "sample">10</td>
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120
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+
|
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121
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+
<td class = "sample">20</td>
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122
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+
|
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123
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+
<td class = "sample">30</td>
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124
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+
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125
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+
</tr>
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126
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+
|
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127
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+
</table>
|
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128
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+
|
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129
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+
</body>
|
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130
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+
|
|
131
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+
</html>
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132
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+
|
|
133
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+
```
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|
134
|
+
|
|
135
|
+
|
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136
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+
|
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137
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+
```JavaScript
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138
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+
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139
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+
$(function(){
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140
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+
|
|
141
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+
var sum;
|
|
142
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+
|
|
143
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+
$(".sample").each(function(index, val){
|
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144
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+
|
|
145
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+
console.log($(val).text());
|
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146
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+
|
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147
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+
sum += parseInt($(val).text(), 10);
|
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148
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+
|
|
149
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+
});
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150
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+
|
|
151
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+
console.log(sum);
|
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152
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+
|
|
153
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+
});
|
|
154
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+
|
|
155
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+
```
|
|
156
|
+
|
|
157
|
+
|
|
158
|
+
|
|
159
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+
・出力結果。
|
|
160
|
+
|
|
161
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+
```
|
|
162
|
+
|
|
163
|
+
10
|
|
164
|
+
|
|
165
|
+
20
|
|
166
|
+
|
|
167
|
+
30
|
|
168
|
+
|
|
169
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+
NaN
|
|
170
|
+
|
|
171
|
+
```
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