JSFiddle - React, Tailwind, and code Playground

JavaScript

var date1 = 'Jun 04, 2014';
var date2 = 'Jun 06, 2014';


function isWeekend(date1,date2){
    var date1 = new Date(date1), date2 = new Date(date2);
    while(date1 < date2){
        date1.setDate(date1.getDate()+1)
        var dayNo = date1.getDay();
        if(!dayNo || dayNo == 6){
            return true;
        }
    }
}

var check = isWeekend(date1,date2);
console.log(check);