jQuery append and remove dynamic table row

I can add many rows for a table, but I can't remove many rows. I only can remove 1 row per sequential add.

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $("#addCF").click(function(){
        $("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" id="remCF">Remove</a></td></tr>');
        $("#remCF").on('click',function(){
            $(this).parent().parent().remove();
        });
    });
});
</script>

<table class="form-table" id="customFields">
<tr valign="top">
    <th scope="row"><label for="customFieldName">Custom Field</label></th>
    <td>
        <input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp;
        <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp;
        <a href="javascript:void(0);" id="addCF">Add</a>
    </td>
</tr>
</table>

You can see the code at http://jsfiddle.net/3AJcj/

I need help.

Answers:

Answer

You only can have one unique ID per page. Change those IDs to classes, and change the jQuery selectors as well.

Also, move the .on() outside of the .click() function, as you only need to set it once.

http://jsfiddle.net/samliew/3AJcj/2/

$(document).ready(function(){
    $(".addCF").click(function(){
        $("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" class="remCF">Remove</a></td></tr>');
    });
    $("#customFields").on('click','.remCF',function(){
        $(this).parent().parent().remove();
    });
});
Answer

You can dynamically add and delete table rows like this in the image using jQuery.. enter image description here

Here is html part...

<form id='students' method='post' name='students' action='index.php'>

    <table border="1" cellspacing="0">
      <tr>
        <th><input class='check_all' type='checkbox' onclick="select_all()"/></th>
        <th>S. No</th>
        <th>First Name</th>
        <th>Last Name</th>
        <th>Tamil</th>
        <th>English</th>
        <th>Computer</th>
        <th>Total</th>
      </tr>
      <tr>
        <td><input type='checkbox' class='case'/></td>
        <td>1.</td>
        <td><input type='text' id='first_name' name='first_name[]'/></td>
        <td><input type='text' id='last_name' name='last_name[]'/></td>
        <td><input type='text' id='tamil' name='tamil[]'/></td>
        <td><input type='text' id='english' name='english[]'/> </td>
        <td><input type='text' id='computer' name='computer[]'/></td>
        <td><input type='text' id='total' name='total[]'/> </td>
      </tr>
    </table>

    <button type="button" class='delete'>- Delete</button>
    <button type="button" class='addmore'>+ Add More</button>
    <p>
    <input type='submit' name='submit' value='submit' class='but'/></p>
</form>

Next need to include jquery...

<script src='jquery-1.9.1.min.js'></script>

Finally script which adds the table rows...

<script>
  var i=2;
  $(".addmore").on('click',function(){
    var data="<tr><td><input type='checkbox' class='case'/></td><td>"+i+".</td>";
        data +="<td><input type='text' id='first_name"+i+"' name='first_name[]'/></td> <td><input type='text' id='last_name"+i+"' name='last_name[]'/></td><td><input type='text' id='tamil"+i+"' name='tamil[]'/></td><td><input type='text' id='english"+i+"' name='english[]'/></td><td><input type='text' id='computer"+i+"' name='computer[]'/></td><td><input type='text' id='total"+i+"' name='total[]'/></td></tr>";
        $('table').append(data);
        i++;
});
</script>

Also refer demo & tutorial for this dynamically add & remove table rows

Answer

Change ID to class :

$("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" class="remCF">Remove</a></td></tr>');

$(".remCF").on('click',function(){
            $(this).parent().parent().remove();
        });

http://jsfiddle.net/7BHDm/1/

Answer

In addition to the other answers, I'd like to improve the removal, to something more generic:

$(this).closest('tr').remove();

This would be much better than using $(this).parent().parent().remove();, because it doesn't depend on the depth of the element. So, the structure of the row becomes much more flexible.

Answer

There are multiple problems here

  1. Id should be unique in a page
  2. For dynamic elements, you need to use event delegation using .on()

Ex

$(document).ready(function(){
    $("#addCF").click(function(){
        $("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" id="remCF">Remove</a></td></tr>');
    });

    $("#customFields").on('click', '#remCF', function(){
        $(this).parent().parent().remove();
    });

});

Demo: Fiddle

See this demo where id properties are removed.

$(document).ready(function(){
    $("#addCF").click(function(){
        $("#customFields").append('<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td><input type="text" class="code" name="customFieldName[]" value="" placeholder="Input Name" /> &nbsp; <input type="text" class="code" name="customFieldValue[]" value="" placeholder="Input Value" /> &nbsp; <a href="javascript:void(0);" class="remCF">Remove</a></td></tr>');
    });

    $("#customFields").on('click', '.remCF', function(){
        $(this).parent().parent().remove();
    });

});
Answer

Please try that:

<script>
$(document).ready(function(){
    var add = '<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td>';
                add+= '<input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" />&nbsp;&nbsp;&nbsp;';
                add+= '<input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" />&nbsp;';
                add+= '<a href="javascript:void(0);" class="remCF">Remove</a></td></tr>';

    $(".addCF").click(function(){ $("#customFields").append(add); });

    $("#customFields").on('click','.remCF',function(){
        var inx = $('.remCF').index(this);
        $('tr').eq(inx+1).remove();
    });
});
</script>
Answer

live view Link Jsfiddle

vary simple way you can solve it ..... take a look my new collected code.

 $(document).ready(function(){
            $(".add-row").click(function(){
                var name = $("#name").val();
                var email = $("#email").val();
                var markup = "<tr><td><input type='checkbox' name='record'></td><td>" + name + "</td><td>" + email + "</td></tr>";
                $("table tbody").append(markup);
            });

            // Find and remove selected table rows
            $(".delete-row").click(function(){
                $("table tbody").find('input[name="record"]').each(function(){
                    if($(this).is(":checked")){
                        $(this).parents("tr").remove();
                    }
                });
            });
        });   

$(document).ready(function() {
  $(".add-row").click(function() {
    var name = $("#name").val();
    var email = $("#email").val();
    var markup = "<tr><td><input type='checkbox' name='record'></td><td>" + name + "</td><td>" + email + "</td></tr>";
    $("table tbody").append(markup);
  });

  // Find and remove selected table rows
  $(".delete-row").click(function() {
    $("table tbody").find('input[name="record"]').each(function() {
      if ($(this).is(":checked")) {
        $(this).parents("tr").remove();
      }
    });
  });
});
form {
  margin: 20px 0;
}
form input,
button {
  padding: 6px;
  font-size: 18px;
}
table {
  width: 100%;
  margin-bottom: 20px;
  border-collapse: collapse;
  background: #fff;
}
table,
th,
td {
  border: 1px solid #cdcdcd;
}
table th,
table td {
  padding: 10px;
  text-align: left;
}
body {
  background: #ccc;
}
.add-row,
.delete-row {
  font-size: 16px;
  font-weight: 600;
  padding: 8px 16px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form>
  <input type="text" id="name" placeholder="Name">
  <input type="text" id="email" placeholder="Email">
  <input type="button" class="add-row" value="Add Row">
</form>
<table>
  <thead>
    <tr>
      <th>Select</th>
      <th>Name</th>
      <th>Email</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>
        <input type="checkbox" name="record">
      </td>
      <td>Peter Parker</td>
      <td>[email protected]</td>
    </tr>
  </tbody>
</table>
<button type="button" class="delete-row">Delete Row</button>

Answer
<script>
    $(document).ready(function(){
        var add = '<tr valign="top"><th scope="row"><label for="customFieldName">Custom Field</label></th><td>';
        add+= '<input type="text" class="code" id="customFieldName" name="customFieldName[]" value="" placeholder="Input Name" />&nbsp;&nbsp;&nbsp;';
        add+= '<input type="text" class="code" id="customFieldValue" name="customFieldValue[]" value="" placeholder="Input Value" />&nbsp;';
        add+= '<a href="javascript:void(0);" class="remCF">Remove</a></td></tr>';

        $(".addCF").click(function(){ $("#customFields").append(add); });

        $("#customFields").on('click','.remCF',function(){
            var inx = $('.remCF').index(this);
            $('tr').eq(inx+1).remove();
        });
    });
</script>
Answer
$(document).ready(function () {
    Addrow();
})
$("#add").click(function () {
    Addrow();
})
rowcount = $("#tbuser td").closest.length;
function Addrow() {
    rowcount++;
    debugger
    var markup = "<tr><td></td><td><input type='text' name='stuclass' id='stuclass'/></td><td><select name='Institute' class='Institute_" + rowcount + "'></select></td><td><input type='text' name='obtmark' id='obtmark'/></td><td><input type='text' name='totalmark' id='totalmark'/></td><td><input type='text' name='per' id='per'/></td><td><button type='button' id='delete' onclick='deleterow(this);'>DELETE</button></td></tr>";
    $(".tbuser tbody").append(markup);

    $.ajax({
        type: 'GET',
        url: '@Url.Action("bindinst", "Home")',
        data: '',
        dataType: "json",
        success: function (data) {
            debugger;
            $(".Institute_" + rowcount).empty();
            $(".Institute_" + rowcount).append('<option Value="">--Select--</option>');
            $.each(data, function (i, result) {

                $(".Institute_" + rowcount).append('<option Value="' + result.Value + '">' + result.Text + '</option>');
            });
        },

    });


}
Answer
<!DOCTYPE html>
<html>
<head>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

    <script>`enter code here`
        $(document).ready(function () {
var result=1;
$('input').keyup(function(){`enter code here`
     $('tr').each(function () {
         var sum = $(this).find('td.combat').text();
         var combat = $(this).find('input.combat').val();
         if (!isNaN(sum) && sum.length !== 0 && !isNaN(combat) && combat.length !== 0) {
                 result = parseFloat(sum)*parseFloat(combat);
             }

         $(this).find('.total-combat').html(result);
        });
    });
 $('.add').click(function(){
        var sno = $(this).parent().siblings('.sno').text();
        var cust = $(this).parent().siblings('.cust').text();
        var price = $(this).parent().siblings('td.combat').text();
        var rowValue = [];
        $(this).closest('tr').find("input").each(function() {
                  rowValue.push($(this).val());
                  return $(this).val(); 
                 });

         var rowValue1 = [];
        $(this).closest('tr').find("span").each(function() {
                  rowValue1.push($(this).text());
                  return $(this).val(); 
                 });

                    var markup = "<tr><td class='sno'>" + sno + "</td><td class='custname'>" + cust +"</td><td class='price'>" + price +"</td><td><input type='text' class='newtext' value="+ rowValue[0] +"></td><td class='total'>" + rowValue1[0] +"</td><td><input type='submit' class='update' value='upd'><input type='button' class='del' value='del'></td></tr>";



        var rightcol = $(this).closest('tr').find(".cust");
        var row_count =  $('.tbl1 tbody tr').length;
        alert(row_count);

        if (row_count == 0) {


                        $(".tbl1 tbody").append(markup);


        }
        else
        {
            var tes=0;
            $('.tbl1 tbody tr').each(function(){
                        var leftcol = $(this).find(".custname");

                            if(rightcol.html() == leftcol.html()) {
                                alert(leftcol.html()+"-----------------"+rightcol.html());
                                $(this).find('.sno').text(sno);
                                $(this).find('.custname').text(cust);
                                $(this).find('.price').text(price);
                                $(this).find('.newtext').val(rowValue[0]);
                                $(this).find('.total').text(rowValue1[0]);
                                tes++;
                     }
            });
                if(tes==0){
                    $(".tbl1 tbody").append(markup);
                }    


        }

});
            $(".tb").on("click", ".update", function(e) {
                var rowValues = [];
                                    $(this).closest('tr').find("input").each(function() {
                                  rowValues.push($(this).val());
                                  return $(this).val(); 

                                 });
                    var total=$(this).closest('tr').find('.total').text();
                    var right_cols = $(this).closest('tr').find(".custname");

                $('.tbl tbody tr').each(function(){
                        var row = $(this);
                        var left_cols = $(this).find(".cust");
                            if(left_cols.html() == right_cols.html()) {

                                $(this).find('.text').val(rowValues[0]);
                                $(this).find('.total-combat').text(total);
                             }
                         });



        });         
                $(".tb").on("keyup", "input", function() {
                 $('tr').each(function () {
                     var sum = $(this).find('td.price').text();
                     var combat = $(this).find('input.newtext').val();
                     if (!isNaN(sum) && sum.length !== 0 && !isNaN(combat) && combat.length !== 0) {
                            result = parseFloat(sum)*parseFloat(combat);
                         }

                        $(this).find('.total').html(result);
                    });
                });
         $(".tb").on("click", ".del", function() {
                  $(this).closest('tr').remove();
              });
});


    </script>
<style>

    .table_style {
    width: 500px;
    margin: 0px auto;
    }
    table{
    width: 100%;
    border-collapse: collapse;
    }
    table tr td{
    width: 50%;
    border: 5px solid #ff751a;
    padding: 5px;
    }
    table tr th{
    border: 5px solid #79ff4d;
    padding: 5px;
    }
    input{
        width:35px;
    }
    .tbl1{
        margin-top: 50px;
        border: 0px solid #cdcdcd;
    }
    .btn{
        float:left;
    }
    </style>
        <title>E-Commerce-Table</title>
</head>
<body>

<div class="table_style">
    <caption>Price-List</caption>
<table class="tbl">
    <tr>
        <th>S.No</th>
        <th>P.Name</th>
        <th>Price</th>
        <th>Qnty</th>
        <th>Rate</th>   
        <th>action</th>
    </tr>
    <tbody>
    <tr>
        <td class="sno">1</td>
        <td class="cust">A</td>
        <td class="combat">5</td>
        <td class="tester"><input type="number" id="qnty1" name="Qnty" value="0" class="combat text"></td>
        <td><span class="total-combat"></span></td>
        <td><input type="submit" name="submit" value="Add" class="add"></td>
    </tr>
    <tr>
        <td class="sno">2</td>
        <td class="cust">B</td>
        <td class="combat">8</td>
        <td><input type="number" id="qnty2" name="Qnty" value="0" class="combat text"></td>
        <td><span class="total-combat"></span></td>
        <td><input type="submit" name="submit" value="Add" class="add"></td>
    </tr>
    <tr>
        <td class="sno">3</td>
        <td class="cust">C</td>
        <td class="combat">7</td>
        <td><input type="number" id="qnty3" name="Qnty" value="0" class="combat text"></td>
        <td><span class="total-combat"></span></td>
        <td><input type="submit" name="submit" value="Add" class="add"></td>
    </tr>
    <tr>
        <td class="sno">4</td>
        <td class="cust">D</td>
        <td class="combat">2</td>
        <td><input type="number" id="qnty4" name="Qnty" value="0" class="combat text"></td>
        <td><span class="total-combat"></span></td>
        <td><input type="submit" name="submit" value="Add" class="add"></td>
    </tr>
</tbody>

</table>

     <table class="tbl1">
        <thead>
            <tr>
                <th>S.No</th>
                <th>P.Name</th>
                <th>Price</th>
                <th>Qnty</th>
                <th>Rate</th>
                <th>action</th>
            </tr>
        </thead>
        <tbody class="tb">

        </tbody>
    </table>
    <button type="submit" name="addtocart" id="btn">Add-to-cart</button>
</div>

</body>
</html>

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