function PercentCompleteFormatter(row, cell, value, columnDef, dataContext) {
    if (value == null || value === "") {
      return "-";
    } else if (value < 50) {
      return "<span style='color:red;font-weight:bold;'>" + value + "%</span>";
    } else {
      return "<span style='color:green'>" + value + "%</span>";
    }
  }
Contains basic SlickGrid formatters.

NOTE:  These are merely examples.  You will most likely need to implement something more
       robust/extensible/localizable/etc. for your use!

@module Formatters
@namespace Slick