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How can I trigger a Bootstrap modal programmatically?

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How do you trigger a modal?

To trigger the modal window, you need to use a button or a link. Then include the two data-* attributes: data-toggle="modal" opens the modal window. data-target="#myModal" points to the id of the modal.

How do you trigger a modal in JavaScript?

Trigger the Modal Via data-* Attributes Add data-toggle="modal" and data-target="#modalID" to any element.

How do I toggle a Bootstrap modal?

Use the . modal(“toggle”) method in Bootstrap to toggle the modal.

How do I get Bootstrap modal by default?

Answer: Use the Bootstrap . modal('show') method modal('show') method for launching the modal window automatically when page load without clicking anything.


In order to manually show the modal pop up you have to do this

$('#myModal').modal('show');

You previously need to initialize it with show: false so it won't show until you manually do it.

$('#myModal').modal({ show: false})

Where myModal is the id of the modal container.


You should't write data-toggle="modal" in the element which triggered the modal (like a button), and you manually can show the modal with:

$('#myModal').modal('show');

and hide with:

$('#myModal').modal('hide');

If you are looking for a programmatical modal creation, you might love this:

http://nakupanda.github.io/bootstrap3-dialog/

Even though Bootstrap's modal provides a javascript way for modal creation, you still need to write modal's html markups first.


HTML

<!-- Button trigger modal -->
<button type="button" class="btn btn-primary btn-lg">
  Launch demo modal
</button>

<!-- Modal -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
        <h4 class="modal-title" id="myModalLabel">Modal title</h4>
      </div>
      <div class="modal-body">
        ...
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
        <button type="button" class="btn btn-primary">Save changes</button>
      </div>
    </div>
  </div>
</div>

JS

$('button').click(function(){
$('#myModal').modal('show');
});

DEMO JSFIDDLE


you can show the model via jquery (javascript)

$('#yourModalID').modal({
  show: true
})

Demo: here

or you can just remove the class "hide"

<div class="modal" id="yourModalID">
  # modal content
</div>