Using classList to manage the cellFocus class on elements. Adding and removing classes is easier using the list without doing string manipulation.
Using classList to manage the cellFocus class on elements. Adding and removing classes is easier using the list without doing string manipulation.

ChiefOfGxBxL/Table.js,ChiefOfGxBxL/Spreadsheet.js,ChiefOfGxBxL/Table.js,ChiefOfGxBxL/Spreadsheet.js