JSFiddle - React, Tailwind, and code Playground

JavaScript

var compareDate = function(value){
    var dateFragements = value.split('/');
    if (dateFragements.length == 3) {
        var currentDate = new Date();
            currentDate.setHours(0, 0, 0, 0);
        
        var startDate = new Date(dateFragements[2] + '-' + dateFragements[1] + '-' + dateFragements[0]);
        
        if (startDate >= currentDate) {
            return true;
        } else {
            return false;
        }
    }   
}
alert(compareDate('17/09/2013'));