jquery - How to get the id of a record in a html table? -

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i have table contain records of database. i'm trying obtain id of these registers using jquery dont know how this.

how ?

<script type="text/javascript">     $(document).ready(function(){                 $('#btnabrirempresa').click(function(){              //id register             var id = $(this).closest('tr').attr('[empresa][id]');             alert(id);              var loading = $(".imageloading");             $(document).ajaxstart(function () {                 loading.show();             });             $(document).ajaxstop(function () {                 loading.hide();             });              $.ajax({                 accepts: {json: 'application/json'},                 datatype:'json',                 type: "post",                 url: "<?php echo $this->html->url("/empresas/openempresa.json")?>",                 data: {"id":id},                 success: function( data ){                      console.log(data);                                                  },                 error: function (xhr, status) {                                         $(".message").html('error: ' + status);                 }                });              return false;         });     }); </script>   <div class="row">            <div class="col-lg-12">             <h1 class="page-header">empresa</h1>   <!--loading--> <div class="imageloading" style="display: none">     <?php echo $this->html->image("ajax-loader.gif", array("height"=>"32", "width"=>"32"));?>      </div> <!--/loading-->              <span><?php echo $this->html->link(__('novo'), array('action' => 'add')); ?></span>             <div class="panel panel-default">                                 <!-- /.panel-heading -->                 <div class="panel-body">                     <div class="datatable_wrapper">                         <table class="table table-striped table-bordered table-hover" id="datatables-example">                             <thead>                                 <th><?php echo $this->paginator->sort('id'); ?></th>                                 <th><?php echo $this->paginator->sort('nomefantasia'); ?></th>                                                                 <th><?php echo $this->paginator->sort('cnpj'); ?></th>                                 <th><?php echo $this->paginator->sort('telefone1'); ?></th>                                 <th><?php echo $this->paginator->sort('telefone2'); ?></th>                                 <th><?php echo $this->paginator->sort('celular'); ?></th>                                 <th><?php echo $this->paginator->sort('aberto'); ?></th>                                  <th class="actions"><?php echo __('actions'); ?></th>                             </thead>                             <tbody>                                 <?php foreach ($empresas $empresa): ?>                                         <tr>                                                 <td><?php echo h($empresa['empresa']['id']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['nomefantasia']); ?>&nbsp;</td>                                                                                                 <td><?php echo h($empresa['empresa']['cnpj']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['telefone1']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['telefone2']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['celular']); ?>&nbsp;</td>                                                                                                 <td><?php echo h($empresa['empresa']['aberto'] == 1 ? "sim" : "não"); ?>&nbsp;</td>                                                  <td class="actions">                                                                                                            <?php echo $this->html->link('<i class="glyphicon glyphicon-open"></i>',                                                                     array(),                                                                     array("id"=>"btnabrirempresa", 'title'=>'abrir empresa', 'escape' => false)); ?>                                                  </td>                                         </tr>                                 <?php endforeach; ?>                                                                    </tbody>                         </table>                         <p>                             <?php                             echo $this->paginator->counter(array(                                     'format' => __('página {:page} de {:pages}, exibindo {:current} registro de {:count}, início {:start}, final {:end}')                             ));                             ?>  </p>                             <div class="paging">                             <?php                                     echo $this->paginator->prev('< ' . __(' previous '), array(), null, array('class' => 'prev disabled'));                                     echo $this->paginator->numbers(array('separator' => ''));                                     echo $this->paginator->next(__(' next ') . ' >', array(), null, array('class' => 'next disabled'));                             ?>                     </div>                                             </div>                 <!-- /.panel-body -->             </div>             <!-- /.panel -->         </div>         <!-- /.col-lg-12 -->     </div> </div>

solved problem. added register id in id of $this->html->link , works fine.

solution

<script type="text/javascript">  $(document).on('click', '.btnabrirempresa', function(e){     e.preventdefault();      var pai = $(this).closest('tr');      var id = this.id;       var loading = $(".imageloading");     $(document).ajaxstart(function () {         loading.show();     });     $(document).ajaxstop(function () {         loading.hide();     });      $.ajax({         accepts: {json: 'application/json'},         datatype:'json',         type: "post",         url: "<?php echo $this->html->url("/empresas/openempresa.json")?>",         data: {id:id},         success: function( data ){              console.log(data);          },         error: function (xhr, status) {                                 $(".message").html('error: ' + status);         }        });      return false;     });  </script>   <div class="row">            <div class="col-lg-12">             <h1 class="page-header">empresa</h1>   <!--loading--> <div class="imageloading" style="display: none">     <?php echo $this->html->image("ajax-loader.gif", array("height"=>"32", "width"=>"32"));?>      </div> <!--/loading-->              <span><?php echo $this->html->link(__('novo'), array('action' => 'add')); ?></span>             <div class="panel panel-default">                                 <!-- /.panel-heading -->                 <div class="panel-body">                     <div class="datatable_wrapper">                         <table class="table table-striped table-bordered table-hover" id="datatables-example">                             <thead>                                 <th><?php echo $this->paginator->sort('id'); ?></th>                                 <th><?php echo $this->paginator->sort('nomefantasia'); ?></th>                                                                 <th><?php echo $this->paginator->sort('cnpj'); ?></th>                                 <th><?php echo $this->paginator->sort('telefone1'); ?></th>                                 <th><?php echo $this->paginator->sort('telefone2'); ?></th>                                 <th><?php echo $this->paginator->sort('celular'); ?></th>                                 <th><?php echo $this->paginator->sort('aberto'); ?></th>                                  <th class="actions"><?php echo __('actions'); ?></th>                             </thead>                             <tbody>                                 <?php foreach ($empresas $empresa): ?>                                         <tr>                                                 <td><?php echo h($empresa['empresa']['id']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['nomefantasia']); ?>&nbsp;</td>                                                                                                 <td><?php echo h($empresa['empresa']['cnpj']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['telefone1']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['telefone2']); ?>&nbsp;</td>                                                 <td><?php echo h($empresa['empresa']['celular']); ?>&nbsp;</td>                                                                                                 <td><?php echo h($empresa['empresa']['aberto'] == 1 ? "sim" : "não"); ?>&nbsp;</td>                                                  <td class="actions">                                                                                                          <?php echo $this->html->link('<i class="glyphicon glyphicon-open"></i>',                                                                     array(),                                                                     array("id"=>$empresa['empresa']['id'],                                                                         'class'=>'btnabrirempresa',                                                                         'title'=>'abrir empresa',                                                                          'escape' => false)); ?>                                                  </td>                                         </tr>                                 <?php endforeach; ?>                                                                    </tbody>                         </table>                         <p>                             <?php                             echo $this->paginator->counter(array(                                     'format' => __('página {:page} de {:pages}, exibindo {:current} registro de {:count}, início {:start}, final {:end}')                             ));                             ?>  </p>                             <div class="paging">                             <?php                                     echo $this->paginator->prev('< ' . __(' previous '), array(), null, array('class' => 'prev disabled'));                                     echo $this->paginator->numbers(array('separator' => ''));                                     echo $this->paginator->next(__(' next ') . ' >', array(), null, array('class' => 'next disabled'));                             ?>                     </div>                                             </div>                 <!-- /.panel-body -->             </div>             <!-- /.panel -->         </div>         <!-- /.col-lg-12 -->     </div> </div>

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