google-apps-script Spreadsheet Service Sheet

Example

Getting a reference to a named sheet tab

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();//Get active spreadsheet
var sheet_with_name_a = spread_sheet.getSheetByName("sheet_tab_name");

Getting active sheet tab

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();

Insert Column

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();  
active_sheet.insertColumnAfter(1);  // This inserts a column after the first column position
active_sheet.insertColumnBefore(1);  // This inserts a column in the first column position
active_sheet.insertColumns(1);  // Shifts all columns by one
active_sheet.insertColumns(1, 3);  // Shifts all columns by three
active_sheet.insertColumnsAfter(1);  // This inserts a column in the second column position
active_sheet.insertColumnsBefore(1, 5);  // This inserts five columns before the first column

Insert row

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();  
active_sheet.insertRowAfter(1);  // This inserts a row after the first row position
active_sheet.insertRowBefore(1);  // This inserts a row in the first row position
active_sheet.insertRows(1);  // Shifts all rows by one
active_sheet.insertRows(1, 3);  // Shifts all rows by three
active_sheet.insertRowsAfter(1);  // This inserts a row in the second row position
active_sheet.insertRowsBefore(1, 5);  // This inserts five rows before the first row

Cell value

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();
var cell = range.getCell(1, 1);
var cell_value = cell.getValue();
cell.setValue(100);

Copy cells

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();
var rangeToCopy = active_sheet.getRange(1, 1, sheet.getMaxRows(), 5);
rangeToCopy.copyTo(sheet.getRange(1, 6));

Formula

var spread_sheet = SpreadsheetApp.getActiveSpreadsheet();
var active_sheet = spread_sheet.getActiveSheet();
var range = active_sheet.getRange("B5");
var formula = range.getFormula()
range.setFormula("=SUM(B3:B4)");