Returns the year of a date, an integer in the range 1900-9999..
| Name | Type | Description |
| arg1 | number | Is a number in the date-time code used by Microsoft Excel. |
builder.CreateFile("xlsx");
const oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
var ans = oFunction.YEAR("3/16/2018");
oWorksheet.GetRange("C1").SetValue(ans);
builder.SaveFile("xlsx", "YEAR.xlsx");
builder.CloseFile();