bcardarella/client_side_validations — comment on commit c24aba8d5075a28a2fe82ac731b6a0dc47fd4015
File:  line 0
By pacovell:

This fix actually causes another problem if you are using an "options.check", for example: :less_than_or_equal and you receive a blank input value.

In that case, it generates a JS syntax error as it attempts to create the Function("return " + "" + "<=" + "10").