JSFiddle - React, Tailwind, and code Playground

HTML

<table class='gridcontainer' border='1'>
        <tr class='gridheader'>
            <td span=0>lineNo</td>
            <td span=0>txtLink</td>
            <td span=0>txtCheck</td>
            <td span=0>txtSelect</td>
            <td span=0>addRow</td>
            <td span=0>delRow</td>
         </tr>
        <tr class='gridrow'>
            <td><div class='gridvalue'><input type="text" id="lineNo" name="lineNo" value=""></div></td>
            <td><div class='gridvalue'><input type="file" id="txtLink" name="txtLink"></div></td>
            <td><div class='gridvalue'><input type="checkbox" id="txtCheck" name="txtCheck"></div></td>
            <td><div class='gridvalue'><select id="txtSelect">Select<option>First</option><option>Second</option></select></div></td>
            <td><div class='btn'><button class='addrow'>Add Row</button></div></td>
            <td><div class='btn'><button class='delrow'>Del Row</button></div></td>
        </tr>
    </table>

CSS

.gridcontainer {
    float: left;
    border: 1px solid red;
}

.gridheader {
   font-weight: bold;
   white-space: nowrap;
   text-align: center;
}

.gridvalue {
   margin: 0px;
   padding: 0px;
   text-align: center;
   float: left;
}

.btn {
    clear:both;
}

JavaScript

//<![CDATA[ 
$(document).ready(function() {      
    var emptyItems = $(".gridrow:first").clone();
      $(".addrow").live('click', function(e) {
         e.preventDefault();
         $(this).parents('.gridcontainer').append(emptyItems.clone());
         refreshTable();
      });
      
      $(".delrow").live('click', function(e) {
         e.preventDefault();
         $(this).parents('.gridrow').remove();
         refreshTable();
      });
    refreshTable();
    
    function refreshTable(){
        $(".gridrow:first .delrow").hide();
        var autonumber = function() { 
        $("tr.gridrow").each(function(i) { 
            $(this).find("input[name='lineNo']").val(i + 1); 
        }); 
    }; 
    autonumber(); 
    }
})
//]]>