Kindle book lister

kblister.js

// ==UserScript==
// @name         Kindle Contents
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://read.amazon.com/ref=kcr_app_surl_cloudreader
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    var db = window.openDatabase('K4W','3','books',2*1024*1024);
    var items = []
    console.log(db);
    db.transaction(function (tx) {
        tx.executeSql('SELECT * FROM bookdata', [], function(tx, results) {
            var len = results.rows.length;
            for (var i = 0; i < len; i++) {
                items.push(results.rows.item(i).title);
            }
            var rnd = Math.floor(Math.random() * len);
            console.log(results.rows.item(rnd));
            generateTXT(items);
        });
    });

function generateTXT(items) {
    let csv = '';

    // Loop the array of objects
    for(let row = 0; row < items.length; row++){
        csv += items[row] + '\n';
    }

    // Once we are done looping, download the .csv by creating a link
    let link = document.createElement('a')
    link.id = 'download-csv'
    link.setAttribute('href', 'data:text/plain;charset=utf-8,' + encodeURIComponent(csv));
    link.setAttribute('download', 'yourfiletextgoeshere.txt');
    document.body.appendChild(link)
    document.querySelector('#download-csv').click()
}
})();