質問編集履歴
1
文法の修正。
test
CHANGED
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File without changes
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test
CHANGED
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@@ -101,3 +101,93 @@
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101
101
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</html>
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102
102
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103
103
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```
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104
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+
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105
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+
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106
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107
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h3を定義したところ、以下のエラーが出ました。
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108
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109
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TypeError: Failed to execute 'insertBefore' on 'Node': parameter 1 is not of type 'Node'.
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110
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111
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112
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113
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「textの部分はNodeじゃないとダメ」という意味だと思うのですが、どう言い換えればいいのかが分かりません。
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114
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115
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116
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117
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```ここに言語を入力
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118
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119
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<!DOCTYPE html>
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120
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121
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<html lang="ja">
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122
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123
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<head>
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124
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125
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<meta charset="UTF-8">
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126
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127
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<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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128
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129
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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130
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131
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<title>ToDoリスト</title>
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132
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133
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<link rel="stylesheet" href="css/styles.css">
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134
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135
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</head>
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136
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137
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<body>
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138
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139
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<h1>ToDoリスト</h1>
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140
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141
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<label><input type="radio" name="phone">すべて</label>
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142
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143
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<label><input type="radio" name="phone" >作業中</label>
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144
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145
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<label><input type="radio" name="phone">完了中</label>
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146
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147
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<h3 id="id_h3">IDコメント 状態</h3>
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148
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149
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<h2>新規タスクの追加</h2>
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150
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151
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152
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153
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<p>
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154
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155
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<input type="text" id="id_text" value="">
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156
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157
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<button id="btn" type="btn"> 追加</button>
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158
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159
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</p>
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160
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161
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162
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163
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164
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165
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<script>
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166
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167
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const btn = document.getElementById('btn');
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168
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169
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btn.addEventListener('click', () => {
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170
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171
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const text = document.getElementById('id_text').value;
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172
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173
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const h3 = document.getElementById('id_h3');
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174
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175
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176
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177
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178
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179
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document.body.insertBefore(text, h3);
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180
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181
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});
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182
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183
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184
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185
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</script>
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186
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187
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188
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189
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</body>
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190
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+
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191
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</html>
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192
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193
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```
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