回答編集履歴
1
追記
test
CHANGED
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@@ -121,3 +121,137 @@
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121
121
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- tableタグの中にdivタグが存在する。
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122
122
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123
123
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- pタグの中にtableタグが存在する。
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124
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125
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追記
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126
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127
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---
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128
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129
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```HTML
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130
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131
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<!DOCTYPE html>
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132
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133
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<html lang="ja">
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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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<meta charset=utf-8>
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138
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139
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<title>Web Storageの中身を一覧表示してsubmitボタンで選んだものを削除</title>
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140
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141
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</head>
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142
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143
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<body>
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<script>
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var storage = localStorage;
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148
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149
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var result = "";
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150
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151
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var items = {
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data1: "data2",
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data3: "data4"
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156
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};
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158
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159
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160
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161
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function addItem() {//setItem用関数
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162
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Object.keys(items).forEach(function (key) {
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164
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storage.setItem(key, items[key]);
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166
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});
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168
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}
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170
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171
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172
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function dataDelete(key) {
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alert(key);
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storage.removeItem(key);
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}
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function dataChange(key, changeKey) {
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184
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dataChangeText = document.getElementById(changeKey).value;
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if (window.confirm(localStorage[key] + "を" + dataChangeText + "に変更します。")) {
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localStorage[key] = dataChangeText;
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}
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}
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195
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window.onload = function () {
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for (var i = 0; i < storage.length; i++) {
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var k = storage.key(i);
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result += "<form name='js'>" +
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"<table border='1' cellspacing='0' cellpadding='0'>" +
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"<tr>" +
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"<td width='100'>" +
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k +
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"</td>" +
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"<td width='200'>" +
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storage.getItem(k) +
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"</td>" +
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"<td width='100'>" +
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"<input id='k" + i + "' type='text' value='" + k + "'>" +
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226
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"<input type='submit' value='削除' onclick='dataDelete(\"" + k + "\")'>" +
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"<input id='change_k" + i + "' type='text' value='" + localStorage[k] + "'>" +
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"<input type='submit' value='変更' onclick='dataChange(\"" + k + "\", \"change_k" + i + "\")'>" +
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"</td>" +
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"</tr>" +
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"</table>" +
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"</form>";
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}
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document.getElementById("show_result").innerHTML = result;
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246
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};
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248
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249
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</script>
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250
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251
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<div id="show_result"></div>
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253
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</body>
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254
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255
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</html>
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256
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257
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```
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