JSFiddle - React, Tailwind, and code Playground

by rbastida

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.0.0-beta1/jquery.min.js"></script>
<body>
    
<div class="container cima" id="container1">
    <div class="col-sm-12">
        
    
<div class="panel panel-info">
<div class="panel-heading">
<div class="panel-title">
    <i class="fa fa-sign-in"></i> Cadastra Reunião Preenchimento de Vagas
</div>
<div style="float:right; font-size: 85%; position: relative; top:-10px"><a id="signinlink" href="#" onclick="$('#registerbox').hide(); $('#loginbox').show()">Logar</a></div>
</div>  

<div class="panel-body" >
    
    <form id="certameForm" class="form-horizontal" method="POST" action="cadastraReuniaoPreenchimentoVagas.php">               
                
    <div id="registeralert" style="display:none" class="alert alert-danger">
        <p>Error:</p>
        <span></span>
    </div>        

<div id="bloco">        
        
    <div class="form-group">
        <div class="col-sm-11 inputGroupContainer">
            <label for="cd_ident_crg" class="col-sm-2 control-label">Cargo</label>
            <div class="col-sm-4">
                <select class="form-control" id="cd_ident_crg" name="cd_ident_crg">
                    <option value="0">Selecione um Cargo</option>
                </select>
            </div>

            <label for="id_certame" class="col-sm-2 control-label">Edital</label>
            <div class="col-sm-3">
                <select class="form-control" id="id_certame" name="id_certame">
                    <option value="0">--Selecione o Edital--</option>
               
                    </option>                                 
                </select>
            </div>        
        </div>
    </div>
           
<!--...

JavaScript

var iCnt = 1;
    $('#btClone').on('click', function () {

        $('#bloco')
            .clone()                
            .appendTo('#container2');
            
        $('#cd_ident_crg')            
            .last()
            .attr('id', 'cd_ident_crg' + iCnt);            
            
        iCnt = iCnt + 1;
        
    });