JSFiddle - React, Tailwind, and code Playground
by Joe
HTML
<input id="dateField" type="date" disabled />
JavaScript
var input = document.getElementById("dateField");
var today = new Date();
var day = today.getDate();
// Set month to string to add leading 0
var mon = new String(today.getMonth()); //January is 0!
var yr = today.getFullYear();
if(mon.length < 2) { mon = "0" + mon; }
var date = new String( yr + '-' + mon + '-' + day );
input.disabled = false;
input.setAttribute('min', date);