email based on past date

overdueCheck.js

function overdueCheck() {
  var ss = SpreadsheetApp.getActiveSpreadsheet();
  var sheet = ss.getSheetByName("Data");
  // var values = sheet.getRange("J2:J").getValues();
  var values = sheet.getRangeByName("FollowUp").getValues();
  var today = new Date();
  var todays = today.getTime();
  var TO = "foo@domain.com";
  var URL = "https://docs.google.com/spreadsheets/d/1hMZnkvsVE1B_9X37V-WH6o7dYmX_BoHxwP2YCY8DOWE/edit#gid=0";
  
  var results = [];
  var trash = [];
 
  for(var i=0;i<values.length;i++){

       Logger.log("\ni. " + i + " " + values[i]);

            if(values[i]==""){
              Logger.log("BLANK\n value is: " + values[i] + "\n" );
              trash.push( " ○ " + values[i] + ""+(i+2));     // +2 because the loop start at zero and first line is the second one (F2)
            } else {

              var testDate = new Date(values[i]).getTime();
              Logger.log("Else\n  today is: " + today + " ("+todays+")\n  value is: " + values[i] + " ("+testDate+")");

              if(todays>testDate){
                var line = (i+1);
                Logger.log("  Overdue" + " i is: " + i + " line: " + line );
                results.push( " ○ " + line); // +2 because the loop start at zero and first line is the second one (F2)
              } else {
                Logger.log("Not late\n");
              }
            }
  }
  Logger.log("\ntrash are:\n" + trash.join("\n") + "\n\nResults are:\n" + results.join("\n"));
  
  if(results.length > 0){
    Logger.log("Results are:\n" + results.join("\n"));
      if(results.length > 1){
        Logger.log("results: "+results.length);
        MailApp.sendEmail(TO, 'We Care issues require attention', 'The following WeCare issues need to be checked because it past the deadline. See these lines in the wecare spreadsheet.\n\n' + results.join("\n") + "\n\n" + URL);
      } else {
        Logger.log("results: "+results.length);
        MailApp.sendEmail(TO, 'We Care issue requires attention', 'The following WeCare issue needs to be checked because it past the deadline. See this line in the wecare spreadsheet.\n\n' + results.join("\n") + "\n\n" + URL);
      }     
  } else {
    Logger.log("No results. " + results.length);
    // MailApp.sendEmail(TO, '*** No We Care issues require attention', 'Have a good day.\n\n' + results.join("\n") + "\n\n" + URL);
  }
}

This looks at column J and sends an email if any date is older than today.