function ifBold(cell, val1, val2) {
    if(cell.getFontWeight() == 'bold')
        return val1;
    return val2;
}

function ifBold(a1Notation, val1, val2) {
    var cell = SpreadsheetApp.getActiveSpreadsheet().getRange(a1Notation);

    if(cell.getFontWeight() == 'bold')
        return val1;
    return val2;
}

function ifBold(row, column, val1, val2) {
    var range = SpreadsheetApp.getActiveSpreadsheet().getDataRange().getCell(row, column);

    if(range.getFontWeight() == 'bold')
        return val1;
    return val2;
}

function ifBold() {
  var sheet = SpreadsheetApp.getActive().getSheetByName('Bold');
  var cells = sheet.getRange('A2:A');
  for (var i=1; i <= cells.getNumRows(); i++) {
    var isBold = false;
    if(cells.getCell(i, 1).getFontWeight() == 'bold')
      isBold = true;
    sheet.getRange(i+1, 2).setValue(isBold);
  }
}

function ifBold() {
  var sheet = SpreadsheetApp.getActive().getSheetByName('Bold');
  var cells = sheet.getRange('A2:A');
  for (var i=1; i <= cells.getNumRows(); i++) {
    var isBold = false;
    if(cells.getCell(i, 1).getFontWeight() == 'bold')
      isBold = true;
    sheet.getRange(i+1, 2).setValue(isBold);
  }
}