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Pourquoi mon modal ne fonctionne pas? Bootstrap4

Je me demande pourquoi mon modal Bootstrap 4 ne fonctionne pas. Un indice? Je copie et colle littéralement à partir du site Web Bootstrap 4 ( http://v4-alpha.getbootstrap.com/components/modal/#live-demo ). 

Veuillez trouver ci-dessous le code.

Merci

J'ai vérifié d'autres messages et je n'ai pas eu de chance

$('#myModal').on('shown.bs.modal', function() {
  $('#myInput').focus()
})
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta content="Description" name="description">
  <meta content="index,follow" name="robots">
  <link href="/images/myicon.png" rel="icon" type="image/png">
  <title>TITLE HERE</title>
  <!--CSS-->
  <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet">

  <!--Bootstrap CSS JS-->
  <!--fonts-->

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
</head>

<body>

  <!--CB-modal -->
  <!-- Button trigger modal -->
  <!-- Button trigger modal -->
  <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal">
  Launch demo modal
</button>

  <!-- Modal -->
  <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
          <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
        </div>
        <div class="modal-body">
          ...
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
          <button type="button" class="btn btn-primary">Save changes</button>
        </div>
      </div>
    </div>
  </div>

</body>
<!-- JS code -->
<script src="https://code.jquery.com/jquery-3.1.1.min.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js">
</script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js">
</script>
<!--JS below-->


<!--modal-->
<script>
  $(document).ready(function() {
  $("#MyModal").modal();
  });
  })
</script>



</html>

javascriptjqueryhtmltwitter-bootstrap
5
user5638822

Il y a une faute de frappe dans votre extrait (}); inutilisé à la fin), mais le plus important est que votre bouton bascule cible le mauvais identifiant modal. Assurez-vous que data-target est l'id du modal que vous ciblez:

<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

Démo: 

$('#myModal').on('shown.bs.modal', function() {
  $('#myInput').focus()
})
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet">

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">

<!--CB-modal -->
<!-- Button trigger modal -->
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>
<!-- JS code -->
<script src="https://code.jquery.com/jquery-3.1.1.min.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js">
</script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js">
</script>
<!--JS below-->


<!--modal-->
<script>
  $(document).ready(function() {
    $("#myModal").modal();
  });
</script>



</html>

Edit : Bootstrap 4-beta mis à jour conformément à la demande @OlavT:

$('#myModal').on('shown.bs.modal', function() {
  $('#myInput').focus()
})
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/css/bootstrap.min.css" integrity="sha384-/Y6pD6FV/Vv2HJnA6t+vslU6fwYXjCFtcEpHbNJ0lyAFsXTsjBbfaDjzALeQsN6M" crossorigin="anonymous">

<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">

<!--CB-modal -->
<!-- Button trigger modal -->
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
        <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>
<!-- JS code -->
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.11.0/umd/popper.min.js" integrity="sha384-b/U6ypiBEHpOf/4+1nzFpr53nxSS+GLCkfwBdFNTxtclqqenISfwAzpKaMNFNmj4" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta/js/bootstrap.min.js" integrity="sha384-h0AbiXch4ZDo7tp9hKZ4TsHbi047NrKGLO3SEJAg45jXxnGIfYzk4Si90RDIqNm1" crossorigin="anonymous"></script>
<!--JS below-->


<!--modal-->
<script>
  $(document).ready(function() {
    $("#myModal").modal();
  });
</script>



</html>

7
AVAVT

J'ai atterri ici parce que j'avais la même erreur. Après être revenu et avoir lu un peu. Je suis tombé sur ce qui suit: 

Si vous utilisez notre code JavaScript compilé, n’oubliez pas d’inclure les versions CDN de jQuery et Popper.js avant.

Comme j'ai téléchargé bootstrap 4 et copié les dossiers de la même manière que avec bootstrap v3, j'ai supposé que tout allait fonctionner. 

La section de téléchargement contient le CDN pour popper et jQuery

https://getbootstrap.com/docs/4.0/getting-started/download/

espérons que cela aide ... Nessio

1
El Nessio

Vous avez une erreur de script et votre data-target="#exampleModal" ne correspond pas à l'ID du modèle

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta content="Description" name="description">
  <meta content="index,follow" name="robots">
  <link href="/images/myicon.png" rel="icon" type="image/png">
  <title>TITLE HERE</title>
  <!--CSS-->
  <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet">

  <!--Bootstrap CSS JS-->
  <!--fonts-->

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
</head>

<body>

  <!--CB-modal -->
  <!-- Button trigger modal -->
  <!-- Button trigger modal -->
  <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal">
  Launch demo modal
</button>

  <!-- Modal -->
  <div class="modal fade" id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
          <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
        </div>
        <div class="modal-body">
          ...
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
          <button type="button" class="btn btn-primary">Save changes</button>
        </div>
      </div>
    </div>
  </div>

</body>
<!-- JS code -->
<script src="https://code.jquery.com/jquery-3.1.1.min.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js">
</script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js">
</script>
<!--JS below-->


<!--modal-->
<script>
  $(document).ready(function() {
     $("#MyModal").modal();
     $('#myModal').on('shown.bs.modal', function() {
        $('#myInput').focus();
     });
  });
</script>



</html>

1
Sankar

Le nom de cible de données que vous avez entré n'est pas correct . Voici le code correct de votre bouton

     <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>
0
Muhammad Sajjad

votre cible de données est incorrecte: #exampleModal, devrait être #myModal.

aussi, vous avez une syntaxe incorrecte dans votre code js

$(document).ready(function() {
  $("#MyModal").modal();
  });
  })//remove this


$('#myModal').on('shown.bs.modal', function() {
  $('#myInput').focus()
});
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <meta content="Description" name="description">
  <meta content="index,follow" name="robots">
  <link href="/images/myicon.png" rel="icon" type="image/png">
  <title>TITLE HERE</title>
  <!--CSS-->
  <link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet">

  <!--Bootstrap CSS JS-->
  <!--fonts-->

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/animate.css/3.5.2/animate.min.css">
</head>

<body>

  <!--CB-modal -->
  <!-- Button trigger modal -->
  <!-- Button trigger modal -->
  <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#myModal">
  Launch demo modal
</button>

  <!-- Modal -->
  <div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
    <div class="modal-dialog" role="document">
      <div class="modal-content">
        <div class="modal-header">
          <h5 class="modal-title" id="exampleModalLabel">Modal title</h5>
          <button type="button" class="close" data-dismiss="modal" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
        </div>
        <div class="modal-body">
          ...
        </div>
        <div class="modal-footer">
          <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
          <button type="button" class="btn btn-primary">Save changes</button>
        </div>
      </div>
    </div>
  </div>

</body>
<!-- JS code -->
<script src="https://code.jquery.com/jquery-3.1.1.min.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js">
</script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js">
</script>
<!--JS below-->


<!--modal-->
<script>
  $(document).ready(function() {
  $("#MyModal").modal();
  });
</script>



</html>

0
Geoman Yabes
<script>
  $(document).ready(function() {
     $("#MyModal").modal();
     $('#myModal').on('shown.bs.modal', function() {
        $('#myInput').focus();
     });
  });
</script>
0
JMF