simplex Phonegap sqlite test database in a file .db

i have a phonegap application that now is a simplex helloworld i need to store data in a sqlite database but i need a file .db to refere. I have see many example that run and made a database with openDatabase like this: db = openDatabase(shortName, version, displayName,maxSize); and work fine but i dont undestand where database file is locate fisically. I test the app on my pc and next on ios and android and i need to have a reference of the file location specially when i test the app on pc. For solve the problem i have fond annotation like this: "[login to view URL]({name: "[login to view URL]",..." but this library "sqlitePlugin" there is not in phonegap... is for cordova... there is a solution or other way to do a simplex database in local storage? thanks