JSFiddle - React, Tailwind, and code Playground

HTML

Test <div id="endDate"></div>

CSS

#endDate{
    border: 1px solid red;
    display: block;
    width: 100px;
    height: 100px;
}

JavaScript

function gimmeYesterday(toAdd) {
            if (!toAdd || toAdd == '' || isNaN(toAdd)) return;
            var d = new Date();
            console.log(d);
            d.setDate(d.getDate() - parseInt(toAdd));
var yesterDAY = (d.getMonth() +1) + "/" + d.getDate() + "/" + d.getFullYear();
    
$("#endDate").html(yesterDAY);
        }
$(document).ready(function() {
    
gimmeYesterday(3);
    
});