function rowstocolumn() {
const ss = SpreadsheetApp.getActive();
const sh = ss.getSheetByName('Sheet2');
const osh = ss.getSheetByName('Sheet3');
const vs = sh.getRange(2,1,sh.getLastRow()-1,sh.getLastColumn()).getValues();
let col = [];
vs.forEach(r => {
r.forEach(c => col.push([c]))
});
osh.clearContents();
osh.getRange(1,1,col.length,col[0].length).setValues(col);
}
2
solved Transpose N rows to one column in Google Sheets – Script Editor