JSFiddle - React, Tailwind, and code Playground

JavaScript

var db = openDatabase('neueDb', '1.0', "Test DB", 2 * 1024 * 1024);
 
                db.transaction(function (tx) {
                       tx.executeSql('CREATE TABLE IF NOT EXISTS LOGS (id unique, log)');
                    tx.executeSql('INSERT INTO LOGS (id, log) VALUES (1, "foobar")');
                    tx.executeSql('INSERT INTO LOGS (id, log) VALUES (2, "logmsg")');
                    tx.executeSql('INSERT INTO LOGS (id, log) VALUES (3, "hallo")');
                });
 
                db.transaction(function (tx) {
                    tx.executeSql('SELECT * FROM LOGS', [], function (tx, results) {
                            var len = results.rows.length, i;
 
                            for (i = 0; i < len; i++) {
                                alert(results.rows.item(i).log);
                            }
                    }, null);
            });