コードリストindex.html<!DOCTYPE html><html lang="ja" dir="ltr"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>PWAテスト</title><link rel="stylesheet" href="./sample.css"><link rel="manifest" href="./manifest.json"><script type="text/javascript" src="./sample.js"></script></head><body><input type="text" name="name" id="name"><input type="submit" value="送信" onclick="gettext()"><p id="test">名前を入力してください。</p><script type="application/javascript">if (’serviceWorker’ in navigator) {navigator.serviceWorker.register(’./serviceworker.js’).then(function() {console.log(’service worker registered’);});}</script></body></ht
kotaro