JSFiddle - React, Tailwind, and code Playground

HTML

<div class="form-group col-md-4">
              <label for="pwd">Start Date</label>
              <input type="date" class="form-control" id='Sdate' name='Sdate' min="" value="">
              <div class="alert-danger"><?php echo form_error('Sdate'); ?></div>
              
            </div>
            <div class="form-group col-md-4">
              <label for="pwd">End Date</label>
              <input type="date" class="form-control" id='Edate' name='Edate'  value="<?php echo set_value('Edate'); ?>">
              <div class="alert-danger"><?php echo form_error('Edate'); ?></div>
            </div>

JavaScript

$(document).ready(function() {

  const options1 = {
    year: 'numeric',
    month: 'numeric',
    day: 'numeric'
  };
  var today = new Date();
  y = today.getFullYear()
  m = today.getMonth() + 1
  m = m < 10 ? '0' + m : m;
  d = today.getDate()
  d = d < 10 ? '0' + d : d;
  sdate = y + '-' + m + '-' + d

  $('#Sdate').prop('min', sdate);

  $('#Sdate').on('change', function() {
    $('#Edate').prop('min', $(this).val());
  });
});