JS how to get the current local date

/**
 *  Time ：2019 year 8 month 18 Japan 
 *  Front end tutorial ： https://www.pipipi.net/ 
 */
var today = new Date();
var dd = String(today.getDate()).padStart(2, '0');
var mm = String(today.getMonth() + 1).padStart(2, '0'); 
var yyyy = today.getFullYear();

today = mm + '/' + dd + '/' + yyyy;
document.write(today);
// The output is as follows ：
//08/18/2019