JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://code.jquery.com/jquery-3.1.0.js"></script>
<script src="https://code.jquery.com/ui/1.12.0/jquery-ui.js"></script>
<div style="overflow: scroll;">
            <form>
            <table class="table" id="dataTable">
                        <thead>
                          <tr>
                            <th>Select</th>
                            <!--<th>Date</th>-->
                            
                            <th>Types of Work</th>
                            <th>Date Assigned</th>
                            <th>Date Due</th>
                            <th>Priority</th>
                            <th>Frequency</th>
                            <th>Company</th>
                            <th>Description of Process</th>
                            <th>Second in Charge</th>
                            <th>Assigned By</th>
                            <th>Comments</th>
                            <th>Question</th>
                          </tr>
                        </thead>
                        <tbody>
                          <tr>
                              <td><input type="checkbox" name="chk"/></td>
                             <!-- <td><input type="text" name="date[]" value="" /></td>-->
                              <td><input type="text" name="work[]" value="" class="task" />
                                  <span class="text-danger"><?php echo form_error('work[]');?></span>
                              </td>
                              <td><input type="text" name="assigned_date[]" value="" id="assigned_date" class="assigned_date" />
                                  <span class="text-danger"><?php echo form_error('assigned_date[]');?></span>
                              </td>
                              <td><input type="text" name="last_date[]" value="" id="last_date" class="last_date" />
                                  <span class="text-danger"><?php echo form_error('last_date[]');?></span>
            ...

CSS

<link href="//code.jquery.com/ui/1.12.0/themes/base/jquery-ui.css" rel="stylesheet">

JavaScript

function addRow(tableID) {
      $(".last_date").datepicker("destroy");
      $(".assigned_date").datepicker("destroy");
      var table = document.getElementById(tableID);

      var rowCount = table.rows.length;
      var row = table.insertRow(rowCount);

      var colCount = table.rows[1].cells.length;

      for(var i=0; i<colCount; i++) {

        var newcell = row.insertCell(i);

        newcell.innerHTML = table.rows[1].cells[i].innerHTML;
        //alert(newcell.childNodes);
        switch(newcell.childNodes[0].type) {
          case "text":
              newcell.childNodes[0].value = "";
              break;
          case "checkbox":
              newcell.childNodes[0].checked = false;
              break;
          case "select-one":
              newcell.childNodes[0].selectedIndex = 0;
              break;
              
        }
      }
      
      $(".assigned_date").datepicker({dateFormat: "yy-mm-dd"});
      $(".last_date").datepicker({dateFormat: "yy-mm-dd"});
    }

    function deleteRow(tableID) {
      try {
      var table = document.getElementById(tableID);
      var rowCount = table.rows.length;

      for(var i=0; i<rowCount; i++) {
        var row = table.rows[i];
        var chkbox = row.cells[0].childNodes[0];
        if(null != chkbox && true == chkbox.checked) {
          if(rowCount <= 2) {
            alert("Cannot delete all the rows.");
            break;
          }
          table.deleteRow(i);
          rowCount--;
          i--;
        }


      }
      }catch(e) {
        alert(e);
      }
    }
 $(function(){
      $(".assigned_date").datepicker({dateFormat: "yy-mm-dd"});
      $(".last_date").datepicker({dateFormat: "yy-mm-dd"});
  });