回答編集履歴
1
chousei
test
CHANGED
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@@ -1 +1,32 @@
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1
1
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レジ袋ボタンをおして次のページに飛ぶなら、最初から次のページには「1枚」と書いておけばよいだけでは？
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3
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# sample
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```javascript
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<script>
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7
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window.addEventListener('pageshow', ()=>{
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8
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num.value=localStorage.getItem('hukuro')??'0';
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});
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document.addEventListener('click',e=>{
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const t=e.target.closest('#hukuro_ari,#hukuro_nasi');
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if(t){
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localStorage.setItem('hukuro',t.id=="hukuro_ari"?num.value:"0");
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location.href='next.html';
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}
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});
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</script>
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<div class="choice">
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<button id="hukuro_ari"><p>レジ袋（１枚５円）</p></button>
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<button id="hukuro_nasi"><p>マイバッグまたは袋不要</p></button>
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</div>
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<input id="num" type="number" value="0" min="0" max="10">
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```
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//next.html
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```javascript
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<script>
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window.addEventListener('DOMContentLoaded', ()=>{
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view.textContent=localStorage.getItem('hukuro');
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});
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</script>
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31
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<div id="view"></div>
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32
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```
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