JSFiddle - React, Tailwind, and code Playground
HTML
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<form name="edc_name">
<ul class="row">
<li class="col-md-12">
<select name="edc_name" class="edc_name">
<option value="" >Cbe</option>
<option value="1" selected>Erode</option>
</select>
</li>
<span class="ecaddingspan" data-value="0">
<li class="col-md-3 marginlf">
<input type="text" placeholder="Machine Description" class="form-control" name="machine_description">
</li>
<li class="col-md-2 marginlf">
<input type="text" placeholder="Capacity" class="form-control" name="capacity">
</li>
<li class="col-md-2 marginlf">
<input type="text" placeholder="Voltage Level" class="form-control" name="voltage_level">
</li>
<li class="col-md-3 marginlf">
<select name="typeofpower">
<option value="" >wimd</option>
<option value="1" selected>Soalr</option>
</select>
</li>
<li class="col-md-1 marginlf add_newbtn">
<a class="btn btn-green addmachinerow" href="javascript:;" ><i class="fa fa-plus"></i>Add </a>
</li>
</span>
<!-- add child here-->
<span class="edcparent" data-value="1"></span>
<!-- add child here-->
<li class="col-md-6 bnone"> <a href="javascript:;" class="btn-new add_edcdetails">Total clone</a> </li>
<li class="col-md-2 bnone"> <a href="javascript:;" class="btn-new cancel_edcdetails">Total this Delete</a> </li>
</ul>
<hr/>
</form>
JavaScript
$(document).ready(function(){
$('.addmachinerow').on('click',function(){
var edcname = $('.edc_name option:selected').val();
var machine_description = $("input[name='machine_description'").val();
var capacity = $("input[name='capacity'").val();
var voltage_level = $("input[name='voltage_level'").val();
var powertype = $("select[name='typeofpower'").val();
var edcautovalue = $('.ecaddingspan').attr('data-value');
//if($('#bank_increment').html() == '') $('#bank_increment').html('0'); else $('#bank_increment').html(parseInt($('#bank_increment').html())+1);
//if($('#bank_clickededit').html() == '') var bank_increment = $('#bank_increment').html(); else var bank_increment = $('#bank_clickededit').html();
$('.ecaddingspan').clone().appendTo('.edcparent');
//$('.bankname, .bankbranch , .IFSCcode , .bankaccno , .accsincefrom').val('');
var edc_details = {'edcname' : edcname, 'machine_description' : machine_description, 'capacity' : capacity, 'voltage_level' : voltage_level, 'powertype' : powertype }
//$('.bank_details_array').append(JSON.stringify(bank_details)+'&&');
});
});