popover button bootstrap in jquery does not show content

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Good morning guys, I'm trying to understand how the bootstrap popover works, I'm trying to use a button-like form to understand how it works but that's a secret for me. Although following tutorials, or indications of bootstrap page documentation on the subject, including CTRL C ... does not work, I wanted a help how to solve my question and achieve what I am trying to execute, please.

Below the code 

<!-->  
 <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script><linkrel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
    <link rel="stylesheet" href="css/owl.carousel.min.css">
    <link rel="stylesheet" href="css/main.css">
    <link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet" integrity="sha384-wvfXpqpZZVQGK6TAh5PVlGOfQNHSoD2xbE+QkPxCAFlNEevoEH3Sl0sibVcOQVnN" crossorigin="anonymous">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
    <script src="js/owl.carousel.js"></script>
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script> 
    <link href='https://fonts.googleapis.com/css?family=Antic' rel='stylesheet'>  
    
==========:::::: CONTEÙDO DO TOPO DA PÀGINA ::::::========    
<-->


<footer>
        <div class="jumbotron jumbotron-fluid">
          <div class="container">
            <h1 class="display-4">Plug seu celular na moda</h1>
            <p>Atendimento das 10:00 às 22:10 de Segunda-feira à Sábado!
            <p>
            <table style="width:100%">
                <th>Politicas</th>
                <th>Serviços</th>
                <th>
                <script type="text/javascript">
                  $(function () {
                    $('[data-toggle="popover"]').popover()
                  })
                })
                </script>
                <button type="button" class="btn btn-secondary" data-container="container" data-toggle="popover" title="Informações" data-content="Lorem Ipsum" data-placement="top">Informações</button>
                </th>
              <tr>
                <td>Formas de Pagamento</td>
                <td>Prazo de Troca</td>
                <td>Troca de Películas</td>
              </tr>
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                <td>Regulamento de Trocas</td>
                <td>Encomendas</td>
              </tr>
              <tr>
                <td>Fornecedores</td>
                <td>Reembolso</td>
                <td>Atendimento ao Cliente</td>
              </tr>
            </table>    
          </div>
        </div>
        <div class="alert alert-dark" role="alert" id="copyright">
          <p>2018 Copyright © Website desenvolvido por Públio Elon.</p>
        </div>
      </footer>
    
asked by anonymous 08.02.2018 / 11:58

1 answer

1

For the use of Popovers

1- Popover is a third-party library, you need to make the call of that file before the JS file of the bootstrap. 

<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script><scriptsrc="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>

2 Popover is required as soon as the document is started, just select its data-toggle and call the function, as follows: $(document).ready(function(){ $('[data-toggle="popover"]').popover()})  This will allow all elements with this attribute to be automatically recognized.

3- You need to import Jquery before closing the body page tag for the elements to work.

Below is an example of how it works. 

$(document).ready(function(){
  $('[data-toggle="popover"]').popover()
})
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script><linkrel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css"/>

<button type="button" class="btn btn-lg btn-danger" data-toggle="popover" title="Título do Popover" data-content="Exemplo de Popover em ação!">Clique!</button>

<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script><scriptsrc="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
    
08.02.2018 / 12:37
Full Menu in Jquery Javascript, or otherwise, to delete a certain line of the html code, and create another in the same place as the previous one