local storage html5

https://www.sitepoint.com/9-javascript-libraries-working-with-local-storage/

https://www.aurorasolutions.io/blog/html5-local-storage-practical-example/

https://www.w3schools.com/html/html5_webstorage.asp

http://tutorials.jenkov.com/html5/geo-location.html

http://tutorials.jenkov.com/html5/local-storage.html

http://beogradsko.blogspot.rs/2018/01/otvarac-kratko-uputstvo-za-instalaciju.html