sheets apps script getrange example
Example 1: getranges google script
let SS = APP.getActiveSpreadsheet();
let sheetIndex0 = SS.getSheets()[0];
sheetIndex0.getRangeList(['A1', 'B1:C7']).setHorizontalAlignment("center");
Example 2: google sheets get ranges
//getRange(row, column, optNumRows, optNumColumns);
Sheet.getRange(1,1,1,12);
//row --- int --- top row of the range
//column --- int--- leftmost column of the range
//optNumRows --- int --- number of rows in the range.
//optNumColumns --- int --- number of columns in the range