JSFiddle - React, Tailwind, and code Playground

HTML

<div id='div'></div>

JavaScript

var isEditVal = [];
isEditVal[0] = "4,45,65";
isEditVal[1] = "1,56,777";

var usrList;

usrList = isEditVal[0].toString().split(',');

console.log(typeof(usrList));
var grpList;

grpList = isEditVal[1].toString().split(',');

console.log(typeof(grpList));
var selectedArr = [];

console.log(typeof(grpList));

$.each(grpList, function (i, v) {
    alert(v);
    selectedArr.push("GRP:" + v + "");
});
$.each(usrList, function (i, v) {
    alert(v);
    selectedArr.push("USR:" + v + "");
});