JSFiddle - React, Tailwind, and code Playground

HTML

<div id="btnclk">click</div>

JavaScript

$("#btnclk").click(function() {
                   
   var t_sdate="6/1/2012";                  
    var sptdate = String(t_sdate).split("/");
    var myMonth = sptdate[0];
    var myDay = sptdate[1];
    var myYear = sptdate[2];
    var combineDatestr = myYear + "/" + myMonth + "/" + myDay;
    
    var dt = new Date(combineDatestr);
    var formatedDate= dt.format("dd mm yyyy")
    alert(formatedDate);
});