質問編集履歴
3
タグ付け
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コード編集
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1
コードを追記致しました。 よろしくお願いいたします。
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@@ -44,19 +44,287 @@
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```html
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<!DOCTYPE html>
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<html lang="ja">
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<head>
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<meta charset="utf-8">
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<title>localStorageのサンプル</title>
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<script src="http://code.jquery.com/jquery-2.0.0.min.js"></script>
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</head>
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<body>
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<div id="form">
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<textarea id="text1" name="japanese" cols="40" rows="5"></textarea>
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<!-- <input id="text1" type="text" size="50"> -->
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<input id="text2" type="text" size="50">
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<input id="text3" type="text" size="50">
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</div>
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<input type="button" onClick="saveData()" value="データ保存">
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<input type="button" onClick="readData()" onclick="addlist()" value="データ読込">
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<input type="button" onClick="delData()" value="データ削除">
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<p id="exp_Q"></p>
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<p id="exp_A"></p>
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<p id="exp_I"></p>
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<p>単語：</p>
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<p id="list_Q">ex</p>
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<p id="list_A">ex</p>
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<p id="list_I">ex</p>
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<button i
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<button onclick="back()">戻る</button>
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<button i
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<button onclick="next()">進む</button>
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<script>
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var obj = {};
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var x = 1;
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function saveData() {
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// $("#text1, #text2, #text3").empty();
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var text1 = $("#text1").val();
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var text2 = $("#text2").val();
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var text3 = $("#text3").val();
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obj[x] = {
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"english": text1,
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"japanese": text2,
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"info": text3
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};
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console.log(obj);
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x = x + 1;
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localStorage.setItem("data", JSON.stringify(obj));
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console.log( localStorage.getItem("data") );
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addlist();
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}
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var k = 0;
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// function back() {
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// var object = JSON.parse(localStorage.getItem("data"));
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// var keys = Object.keys(object);
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// $('#list_Q').text(object[keys[k]]['english']);
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// $('#list_A').text(object[keys[k]]['japanese']);
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// $('#list_I').text(object[keys[k]]['info']);
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// k--;
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// }
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// var k = 0;
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function next() {
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var object = JSON.parse(localStorage.getItem("data"));
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var keys = Object.keys(object);
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$('#list_Q').text(object[keys[k]]['english']);
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$('#list_A').text(object[keys[k]]['japanese']);
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$('#list_I').text(object[keys[k]]['info']);
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console.log(object[keys[k]]['english'])
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k++;
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}
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var iMax = 0;
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function list(){
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var object = JSON.parse(localStorage.getItem("data"));
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var keys = Object.keys(object);
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var a = "";
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for( var i=0, l=keys.length; i<l; i++) {
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a += "<tr>\n";
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a += "<td>";
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a += keys[i];
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a += "</td>\n";
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for (j = 0; j < Object.keys(object[keys[i]]).length; j++) {
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a += "<td>";
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a += object[keys[i]][Object.keys(object[keys[i]])[j]];
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a += "</td>\n";
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}
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a += "</tr>\n";
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iMax = i;
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}
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$("#listbox").append(a);
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}
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var i = 0;
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var i = 0;
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function addlist(){
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var object = JSON.parse(localStorage.getItem("data"));
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var keys = Object.keys(object);
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var a = "";
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a += "<tr>\n";
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a += "<td>";
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// if(!keys.length + 1 == i){
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// a = keys.length + keys[i]
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// }else{
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// a += keys[i];
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// };
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a += keys[i];
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a += "</td>\n";
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a += "<td>";
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a += object[keys[i]]['english'];
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a += "</td>\n";
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a += "<td>";
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a += object[keys[i]]['japanese'];
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a += "</td>\n";
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a += "<td>";
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a += object[keys[i]]['info'];
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a += "</td>\n";
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a += "</tr>\n";
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$("#listbox").append(a);
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i++;
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}
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function count(){
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}
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</script>
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```
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###試したこと
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var k = 0;
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60
328
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61
329
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function back() {
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62
330
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@@ -64,66 +332,16 @@
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64
332
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65
333
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var keys = Object.keys(object);
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66
334
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67
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$('#list_Q').text(object[keys[
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335
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$('#list_Q').text(object[keys[k]]['english']);
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68
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336
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69
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$('#list_A').text(object[keys[
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$('#list_A').text(object[keys[k]]['japanese']);
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$('#list_I').text(object[keys[
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$('#list_I').text(object[keys[k]]['info']);
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k--;
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}
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-
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var k = 0;
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82
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function next() {
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var object = JSON.parse(localStorage.getItem("data"));
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var keys = Object.keys(object);
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$('#list_Q').text(object[keys[k]]['english']);
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$('#list_A').text(object[keys[k]]['japanese']);
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$('#list_I').text(object[keys[k]]['info']);
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console.log(object[keys[k]]['english'])
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k++;
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}
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</script>
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```
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104
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-
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105
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-
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106
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-
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|
107
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-
###試したこと
|
|
108
|
-
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|
109
|
-
var k = 0;
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110
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-
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111
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-
function back() {
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112
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113
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var object = JSON.parse(localStorage.getItem("data"));
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114
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115
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var keys = Object.keys(object);
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116
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117
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$('#list_Q').text(object[keys[k]]['english']);
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119
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$('#list_A').text(object[keys[k]]['japanese']);
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$('#list_I').text(object[keys[k]]['info']);
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k--;
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124
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-
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125
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}
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126
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-
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127
345
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として、グローバル変数kを0として、現在の値からクリックする度にプラス、マイナスと
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128
346
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129
347
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できるように書いてみましたが、値の取得できませんでした。
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