JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="dt"/>JavaScript
let date = new Date('March 1, 2021');
let strDateTimeEntry = date.getFullYear() + "" + (date.getMonth() + 1).toString().padStart(2, '0') + "" + date.getDate().toString().padStart(2, '0');
console.log(strDateTimeEntry);
$("#dt").val(strDateTimeEntry);