jquery - How to create buttons that increment and decrements values in PHP Codeinginter? -


for field balance want create 2 buttons add , minus buttons. field shows current balance of reseller. instead adding values in text box want add buttons side can increment values in field. want add incremented value existing(old) value. know there many example on net didn't worked me please me.

my balance field :

    <tr>             <td>balance</td>             <td><?php echo form_input('balance', set_value('balance', $user->balance)); ?></td>     </tr>

the increment decrement buttons : the current status

<link href="<?php echo site_url('css/bootstrap.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/add.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/datepicker.css'); ?>" rel="stylesheet">                  <link href="<?php echo site_url('css/jquery-ui.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/jquery-ui.min.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/jquery-ui.structure.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/jquery-ui.structure.min.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/jquery-ui.theme.css'); ?>" rel="stylesheet">             <link href="<?php echo site_url('css/jquery-ui.theme.min.css'); ?>" rel="stylesheet">                <link href="<?php echo site_url('/bower_components/metismenu/dist/metismenu.min.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('/dist/css/timeline.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('/dist/css/sb-admin-2.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('/bower_components/morrisjs/morris.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('bower_components/font-awesome/css/font-awesome.min.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('bower_components/datatables-plugins/integration/bootstrap/3/datatables.bootstrap.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('bower_components/metismenu/dist/metismenu.min.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('bower_components/datatables-responsive/css/datatables.responsive.css'); ?>" rel="stylesheet">              <link href="<?php echo site_url('/bower_components/bootstrap/dist/css/bootstrap.min.css'); ?>" rel="stylesheet">               <link rel="shortcut icon" href="<?php echo site_url('img/favicon.ico'); ?>" type="image/x-icon" />               <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>                             <script>                         $(function()                         {                             $('#spinnerinput').spinner();                         });                         </script>                     <script src="http://code.jquery.com/jquery-latest.js"></script>             <script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>            <script src="<?php echo site_url('js/bootstrap.min.js'); ?>"></script>         <script src="<?php echo site_url('css/external/jquery/jquery.js'); ?>"></script>         <script src="<?php echo site_url('bower_components/metismenu/dist/metismenu.min.js'); ?>"></script>         <script src="<?php echo site_url('/bower_components/datatables/media/js/jquery.datatables.min.js'); ?>"></script>         <script src="<?php echo site_url('/bower_components/datatables-plugins/integration/bootstrap/3/datatables.bootstrap.min.js'); ?>"></script>         <script src="<?php echo site_url('/dist/js/sb-admin-2.js'); ?>"></script>                   <script src="<?php echo site_url('bower_components/bootstrap/dist/js/bootstrap.min.js');?>"></script>              <script src="<?php echo site_url('bower_components/metismenu/dist/metismenu.min.js');?>"></script>               <script src="<?php echo site_url('bower_components/raphael/raphael-min.js');?>"></script>              <script src="<?php echo site_url('js/morris-data.js');?>"></script>              <script src="<?php echo site_url('dist/js/sb-admin-2.js');?>"></script>                <script>             $(document).ready(function() {                 $('#datatables-example').datatable({                         responsive: true                 });             });             </script>

you need add jquery-ui js , css files along required images. please download files , images below urls

js - http://code.jquery.com/ui/1.9.2/jquery-ui.js
css - http://code.jquery.com/ui/1.9.2/themes/base/jquery-ui.css
images -

https://code.jquery.com/ui/1.11.4/themes/smoothness/images/ui-icons_888888_256x240.png
https://code.jquery.com/ui/1.11.4/themes/smoothness/images/ui-icons_454545_256x240.png


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