質問編集履歴
1
HTMLを記載しました
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File without changes
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body
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@@ -9,11 +9,131 @@
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セレクトボックスの保存保持に使う記述がわからない状態です。
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### 該当のソースコード
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-
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ご指摘いただいたので修正いたします。
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```html
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<%= render "shared/header" %>
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<main>
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<div class="basket">
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<%= render "food" %>
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<div class="basket-product">
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<h2><span class="badge-primary">選択したテキスト</span></h2>
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<h1><strong><span class="item-quantity"></span>食品名2</strong></h1>
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<h1><strong><span class="item-quantity"></span>食品名3</strong></h1>
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</div>
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</div>
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<aside>
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<div class="summary">
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<div class="summary-total-items"><span class="total-items"></span>各種合計値</div>
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<div class="summary-total">
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<div class="total-title">P</div>
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<div class="total-value final-value" id="basket-total">0</div>
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<div class="total-title">F</div>
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<div class="total-value final-value" id="basket-total">0</div>
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<div class="total-title">C</div>
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<div class="total-value final-value" id="basket-total">0</div>
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<div class="total-title">C</div>
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<div class="total-value final-value" id="basket-total">0</div>
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</div>
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<div class="summary-checkout">
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<button class="checkout-cta">Checkout</button>
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</div>
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</div>
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</aside>
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</main>
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```
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```html
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<div class="pulldown">
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<select class="mainselect" name="major_list">
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<option class="foods" selected="selected">--食材の種類--</option>
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<%= render "foods" %>
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</select>
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<select name="food_list" id="food-select">
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<option class="foods" selected="food-selected">--食材選択--</option>
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<option class="meat" id="">--肉類--</option>
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<%= render "meat" %>
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<option class="seafood" id="">--魚介類--</option>
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<%= render "seafood" %>
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<option class="egg" id="">--卵類--</option>
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<%= render "egg" %>
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<option class="beans">--豆類--</option>
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<%= render "beans" %>
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<option class="milk">--乳類--</option>
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<%= render "milk" %>
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<option class="grain">--穀類--</option>
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<%= render "grain" %>
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<option class="potato">--芋類及び澱粉類--</option>
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<%= render "potato" %>
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<option class="fruit">--果実類--</option>
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<%= render "fruit" %>
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<option class="nuts">--種実類--</option>
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<%= render "nuts" %>
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<option class="mushroom">--キノコ類--</option>
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<%= render "mushroom" %>
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<option class="alga">--藻類--</option>
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<%= render "alga" %>
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<option class="vegetable">--野菜類--</option>
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<%= render "vegetable" %>
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<option class="oils">--油脂類--</option>
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<%= render "oils" %>
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<option class="sugar">--砂糖及び甘味類--</option>
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<%= render "sugar" %>
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<option class="pastry">--菓子類--</option>
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<%= render "pastry" %>
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<option class="drink">--嗜好飲料類--</option>
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<%= render "drink" %>
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<option class="seasoning">--調味料及び香辛料類--</option>
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<%= render "seasoning" %>
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<option class="off-the-shelf">--調理済み流通食品類--</option>
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<%= render "off-the-shelf" %>
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</select>
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<button onclick="hoge();" type="button" class="btn-text">取得</button>
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<h2><span class="badge-primary">選択したテキスト</span></h2>
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<script>
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<script>
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$(function(){
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//《selectタグ その①》路線を選択すると呼び出される関数
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$('select[name="major_list"]').change(function(){
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//《selectタグ その①》nameの値を取得
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var line_class = $('select[name="major_list"] option:selected').attr("class");
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console.log(line_class);
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//《selectタグ その②》 子要素タグの個数を数え上げ
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var count = $('select[name="food_list"]').children().length;
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console.log(count);
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for(a=0; a<count; a++){
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var food_list = $('select[name="food_list"] option:eq('+a+')');
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//《selectタグ その①》で選択した路線と等しいname値を持つoptionタグを表示
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if(food_list.attr("class") === line_class){
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food_list.show();
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} else {
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food_list.hide();
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}
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}
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//《selectタグ その③》 子要素タグの個数を数え上げ
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for(b=0; b<count; b++){
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var status_list = $('select[name="status_list"] option:eq('+b+')');
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//《selectタグ その②》で選択した駅と等しいname値を持つoptionタグを表示
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if(status_list.attr("class") === line_class){
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status_list.show();
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} else {
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status_list.hide();
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}
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}
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});
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});
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</script>
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<script>
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function hoge() {
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var obj = document.getElementById('food-select');
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@@ -25,6 +145,7 @@
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document.getElementsByClassName('badge-primary')[0].textContent = txt;
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}
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</script>
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</div>
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```
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151
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### 試したこと
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