indexeddb hello world cordova

need to create a hello world project in cordova using indexed db as local storage, to validade the use of indexed DB in windows 10, ios 9 and newer and android. 4.x and newer I´m using cordova 7.0.1 create a project similar to this web page that test how much can be store. [login to view URL] Instead of storing until there is no more space , store text until reach 50 Megas as indexeddb framework use [login to view URL] remember, your project needs to run in windows 10 , ios and android my budget is US$ 100