Google Apps Script: Get the last row of a data range when other columns have content like hidden formulas and check boxes

Google Apps Script: getRange, getLastRow, getDataRange, spreadsheetApp – requires a basic understanding of GAS

Finding the last row of a data range in Google Sheets using Google Apps Script is a pretty common task. We often do this to find the next available free row to insert new data or to copy an entire data range to put into an array in Google Apps Script.

Generally, for fairly clean data, or a small range of data, we would rely on two approaches to get the data we need:

  • getLastRow(): this will get the last row in a Google Sheet that has data in it. It determines the last row based on the last available row value in all columns in the spreadsheet.
  • getDataRange(): this will get the range up to the last row and column with values in it.

Let’s take a quick look at this clean data set:

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