dexiedb.js

var Dexie = require('dexie');
var db = new Dexie('hellodb');
db.version(1).stores({
    tasks: '++id,date,description,done'
});

// Don't be confused over Dexie.spawn() and yield here. It's not required for using Dexie,
// but it really simplifies the code. If you're a Promise Ninja, use vanilla promise
// style instead.
Dexie.spawn(function*() {
    var id = yield db.tasks.put({date: Date.now(), description: 'Test Dexie', done: 0});
    console.log("Got id " + id);
    // Now lets add a bunch of tasks
    yield db.tasks.bulkPut([
        {date: Date.now(), description: 'Test Dexie bulkPut()', done: 1},
        {date: Date.now(), description: 'Finish testing Dexie bulkPut()', done: 1}
    ]);
    // Ok, so let's query it

    var tasks = yield db.tasks.where('done').above(0).toArray();
    console.log("Completed tasks: " + JSON.stringify(tasks, 0, 2));

    // Ok, so let's complete the 'Test Dexie' task.
    yield db.tasks
        .where('description')
        .startsWithIgnoreCase('test dexi')
        .modify({done: 1});

    console.log ("All tasks should be completed now.");
    console.log ("Now let's delete all old tasks:");

    // And let's remove all old tasks:
    yield db.tasks
        .where('date')
        .below(Date.now())
        .delete();

    console.log ("Done.");

}).catch (err => {
    console.error ("Uh oh! " + err.stack);
});