JSFiddle - React, Tailwind, and code Playground

HTML

<input type="date" id="dval" value="" />
<button onclick="test()">
TEsting
</button>

JavaScript

function test() {
var q = new Date();
var date = new Date(q.getFullYear(),q.getMonth(),q.getDate());

var mydate = new Date(document.getElementById('dval').value);

if(date > mydate) {
alert("Current Date is Greater THan the User Date");
} else {
alert("Current Date is Less than the User Date");
}

}