How do I delete every row besides row 1 in google spreadsheets using google scripts?

Question

我正在尝试擦除除第 1 行之外的每一行，但我不知道如何

Answer 1

All rows in all sheets of Spreadsheet except row 1

function delrow2plusallsheets() {
  const ss = SpreadsheetApp.getActive();
  ss.getSheets().forEach(sh => {
    let mr = sh.getMaxRows();
    sh.deleteRows(2,mr - 1)
  });
}