HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Web SQL insertId</title>
  <style>
    body { font-family: system-ui, sans-serif; margin: 1.5rem; line-height: 1.5; }
    button { margin-right: 0.5rem; margin-bottom: 0.5rem; padding: 0.5rem 0.9rem; cursor: pointer; }
    #status { margin-top: 1rem; }
  </style>
</head>
<body>
  <h1>Read insertId</h1>
  <p>Insert a contact and show <code>result.insertId</code>.</p>

  <button type="button" id="insertBtn" disabled>Insert Sam Lee</button>

  <p id="status">Checking Web SQL&hellip;</p>

  <script>
    var statusEl = document.getElementById('status');
    var insertBtn = document.getElementById('insertBtn');

    if (!window.openDatabase) {
      statusEl.textContent = 'Web SQL is not available in this browser.';
    } else {
      var db = openDatabase('tryitWsqlInsertId', '1.0', 'Try It', 1024 * 1024);

      db.transaction(function (tx) {
        tx.executeSql(
          'CREATE TABLE IF NOT EXISTS contacts (id INTEGER PRIMARY KEY, name TEXT, email TEXT)'
        );
      }, null, function () {
        statusEl.textContent = 'Ready.';
        insertBtn.disabled = false;
      });

      insertBtn.addEventListener('click', function () {
        db.transaction(function (tx) {
          tx.executeSql(
            'INSERT INTO contacts (name, email) VALUES (?, ?)',
            ['Sam Lee', 'sam@example.com'],
            function (tx, result) {
              statusEl.textContent = 'New contact id: ' + result.insertId;
            }
          );
        });
      });
    }
  </script>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

Web SQL INSERT — Read insertId