IndexedDB.html

<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>IndexedDB</title>
  </head>
  <body></body>
  <script>
    var indexedDB = window.indexedDB,
      adminDB = indexedDB.open('admin', 1), // 数据库名称，数据库版本号
      user = {
        username: '007',
        firstName: 'James',
        lastName: 'Bond',
        password: '007'
      },
      db,
      store;
    adminDB.onsuccess = function (e) {
      // 创建成功回调
      db = e.target.result;
      // store = db.createObjectStore("users", { keyPath: "username" });
    };

    adminDB.onupgradeneeded = function () {
      // 数据库改变时回调
    };
    adminDB.onerror = function (e) {
      // 创建失败回调
      console.log(e.target.error);
    };
    store = db.createObjectStore('users', { keyPath: 'username' });
  </script>
</html>