Hello Tony,

One common problem of newcomers is the usage of special characters like spaces (blanks) in the places which will be used as ids or to construct ids: the name property of colNames or ids of the rows. The name property will be used for example to build ids of the

elements of the table (see line 2039 of grid.base.js).

I suggest:

1) to include a the and of for loop at the line 1955