convert from reading an array to reading from a database in javascript

Can someone please help me? the current code is reading through an array and im already storing this in a database. if i can read from the database, at lease i can save it and come back.. right now since its in an array, if i lose my connection or just leave and it times out, it doesnt save my progress. lines 514 and 515 are where its populating the highlighted areas. the first line with the score will be different. i already can pull that from the database, i just dont understand how to...

convert from reading an array to reading from a database in javascript WordPress ...