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Home » Codeigniter »
How to Add/Delete Multiple HTML Rows using JavaScript
File Name : index.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>welcome on PHP Tutorial</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="js/script.js"></script>
</head>
<body>
<div class="container">
<br />
<form name="" action="" method="POST">
<input type="button" value="Add Row" onclick="addRow('dataTable')" class="btn btn-success"/>
<input type="button" value="Delete Row" onclick="deleteRow('dataTable')" class="btn btn-danger"/>
<br /><br />
<table>
<tr>
<th>S.N </th>
<th>Name</th>
<th>Mobile</th>
<th>Email</th>
</tr>
<tbody id="dataTable" width="350px" border="1">
<tr>
<td><input type="checkbox" name="chk[]" id="chk_1"/></td>
<td><input type="text" name="name[]" id="name_1" placeholder="Name" class="form-control" /></td>
<td><input type="text" name="mobile[]" id="mobile_1" placeholder="Mobile" class="form-control"/></td>
<td><input type="text" name="email[]" id="email_1" placeholder="Email" class="form-control"/></td>
</tr>
</tbody>
<input type="hidden" name="count" id="count" value="1">
<tr><td colspan="5"> </td></tr>
</table>
</form>
</div>
<script>
</script>
</body>
</html>
script.js
function addRow(tableID)
{
var table = document.getElementById(tableID);
var count = document.getElementById('count').value;
//alert(count);
var c = parseInt(count)+parseInt(1);
var rowCount = table.rows.length;
var row = table.insertRow(rowCount);
var colCount = table.rows[0].cells.length;
for(var i=0; i<colCount; i++)
{
var newcell = row.insertCell(i);
newcell.innerHTML = table.rows[0].cells[i].innerHTML;
switch(newcell.childNodes[0].type)
{
case "text":newcell.childNodes[0].value = "";
var node_id = newcell.childNodes[0].id;
var node_id_arr = node_id.split('_');
newcell.childNodes[0].id=node_id_arr[0]+'_'+c;
break;
case "checkbox":newcell.childNodes[0].checked = false;
var node_id = newcell.childNodes[0].id;
var node_id_arr = node_id.split('_');
newcell.childNodes[0].id=node_id_arr[0]+'_'+c;
break;
}
$('#count').val(c);
}
}
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];
var ids = row.cells[0].childNodes[0].id;
if(null != chkbox && true == chkbox.checked)
{
var count = document.getElementById('count').value;
var c = parseInt(count)-parseInt(1);
if(rowCount <= 1)
{
alert("Cannot delete all the rows.");
break;
}
table.deleteRow(i);
rowCount--;
i--;
$('#count').val(c);
}
}
}
catch(e)
{
alert(e);
}
}