LOWER
function LOWER(arg1: string = null): stringDescription
Converts all letters in a text string to lowercase.
Parameters
- arg1
stringdefault: null The text to convert to lowercase. The text characters that are not letters are not changed.
Returns
stringTry It
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.LOWER("Day"));