bootstrap jquery show.bs.modal event won't fire

Modal DialogTwitter Bootstrap-3Jquery

Modal Dialog Problem Overview

i'm using the modal example from the bootstrap 3 docs. the modal works. however i need to access the show.bs.modal event when it fires. for now i'm just trying:

$('#myModal').on('show.bs.modal', function () {
   alert('hi')
})

Nothing happens, the event does not fire. What am I doing wrong??? This doesn't make sense to me.

Modal Dialog Solutions

Solution 1 - Modal Dialog

use this:

$(document).on('show.bs.modal','#myModal', function () {
  alert('hi');
})

Solution 2 - Modal Dialog

Make sure you put your on('shown.bs.modal') before instantiating the modal to pop up

$("#myModal").on("shown.bs.modal", function () { 
    alert('Hi');
});
$("#myModal").modal('show'); //This can also be $("#myModal").modal({ show: true });

or

$("#myModal").on("shown.bs.modal", function () { 
    alert('Hi');
}).modal('show');

To focus on a field, it is better to use the shown.bs.modal in stead of show.bs.modal but maybe for other reasons you want to hide something the the background or set something right before the modal starts showing, use the show.bs.modal function.

Solution 3 - Modal Dialog

Wrap your function in $(document).ready(function() { }), or more simply, $(function() {. In CoffeeScript, this would look like

$ ->
  $('#myModal').on 'show.bs.modal', (event)->

Without it, the JavaScript is executing before the document loads, and #myModal is not part of the DOM yet. Here is the Bootstrap reference.

Solution 4 - Modal Dialog

$(document).on('shown.bs.modal','.modal', function () {
            
/// TODO EVENTS

});

Solution 5 - Modal Dialog

Try this

$('#myModal').on('shown.bs.modal', function () {
   alert('hi');
});

Using shown instead of show also make sure you have your semi colons at the end of your function and alert.

Solution 6 - Modal Dialog

Add this:

$(document).ready(function(){
    $(document).on('shown.bs.modal','.modal', function () {
         // DO EVENTS
    });
});

Solution 7 - Modal Dialog

Similar thing happened to me and I have solved using setTimeout.

Bootstrap is using the following timeout to complete showing: > c.TRANSITION_DURATION=300,c.BACKDROP_TRANSITION_DURATION=150,

So using more than 300 must work and for me 200 is working:

$('#myModal').on('show.bs.modal', function (e) {
	setTimeout(function(){
		//Do something if necessary
	}, 300);						
})

Solution 8 - Modal Dialog

In my case, I was missing the .modal-dialog div

Doesn't fire event: shown.bs.modal

<div id="loadingModal" class="modal fade">
  <p>Loading...</p>
</div>

Does fire event: shown.bs.modal

<div id="loadingModal" class="modal fade">
  <div class="modal-dialog">      
    <p>Loading...</p>
  </div>
</div>

Solution 9 - Modal Dialog

I had the same issue with bootstrap4. The solution was to add it inside the jQuery document ready() function:

$(document).ready(function() {
    $('#myModal').on('show.bs.modal', function () {
       alert('hi')
    })
}

Solution 10 - Modal Dialog

This happens when code might been executed before and it's not showing up so you can add timeout() for it tp fire.

$(document).on('shown.bs.modal', function (event) {
      setTimeout(function(){
        alert("Hi");
      },1000); 
    });

Solution 11 - Modal Dialog

I had a similar but different problem and still unable to work when I use $('#myModal'). I was able to get it working when I use $(window).

My other problem is that I found that the show event would not fire if I stored my modal div html content in a javascript variable like.

var content="<div id='myModal' ...";
$(content).modal();
$(window).on('show.bs.modal', function (e) {
  alert('show test');
});

the event never fired because it didn't occur

my fix was to include the divs in the html body

<body>
    <div id='myModal'>
       ...
    </div>
    <script>
        $('#myModal).modal();
        $(window).on('show.bs.modal', function (e) {
            alert('show test');
        });
    </script>
</body>

Solution 12 - Modal Dialog

Remember to put the script after the call of "js/bootstrap", not before.

Solution 13 - Modal Dialog

Ensure that you are loading jQuery before you use Bootstrap. Sounds basic, but I was having issues catching these modal events and turns out the error was not with my code but that I was loading Bootstrap before jQuery.

Solution 14 - Modal Dialog

Sometimes this doesn't work if:

  1. you have an error in the java script code before your line with $('#myModal').on('show.bs.modal'...). To troubleshoot put an alert message before the line to see if it comes up when you load the page. To resolve eliminate JSs above to see which one is the problem

  2. Another problem is if you load up the JS in wrong order. For example you can have the $('#myModal').on('show.bs.modal'...) part before you actually load JQuery.js. In that case your call will be ignored, so first in the HTML (view page source to be sure) check if the script link to JQuery is above your modal onShow call, otherwise it will be ignored. To troubleshoot put an alert inside the on show an one before. If you see the one before and not the one inside the onShow function it is clear that the function cannot execute. If the spelling is right more than likely your call to JQuery.js is not made or it is made after the onShow part

Solution 15 - Modal Dialog

Had the same issue. For me it was that i loaded jquery twice in this order:

  1. Loaded jQuery
  2. Loaded Bootstrap
  3. Loaded jQuery again

When jQuery was loaded the second time it somehow broke the references to bootstrap and the modal opened but the on('shown.bs..') method never fired.

Solution 16 - Modal Dialog

Make sure that you really use the bootstrap jquery modal and not another jquery modal.

Wasted way too much time on this...

Solution 17 - Modal Dialog

In my case the problem was how travelsize comment.. The order of imports between bootstrap.js and jquery. Because I'am using the template Metronic and doesn't check before

Solution 18 - Modal Dialog

i used jQuery's event delegation /bubbling... that worked for me. See below:

$(document).on('click', '#btnSubmit', function () {
                alert('hi loo');
            })

very good info too: https://learn.jquery.com/events/event-delegation/

Solution 19 - Modal Dialog

The popular solution to put a setTimeout could work in some case, but is a terrible solution. I was myself using it amongst wraping it in $(document).ready() off course (but it never helped), but I was never able to have a reliable solution. Some browser/system take more time than other, and sometime 1000ms was not enough. And I was tired searching why the $(document).ready() wasn't helping, so :

I took a different approach.

I make the subscription to modal events when I need to use the modal for the first time.

<a href="javascript:void(0)" onclick="ShowModal()">Open my modal</a>

and on the JS side :

function ShowModal() {
    InitModalEventsOnce();
    $('#MyModal').modal('show');
}

var InitModalEventsIsDone = false; // Flag to keep track of the subscribtion

function InitModalEventsOnce() {

    if (!InitModalEventsIsDone) {
        InitModalEventsIsDone = true;

        $('#MyModal').on('shown.bs.modal', function () {
            // something
        })

        $('#MyModal').on('hidden.bs.modal', function (e) {
            // something
        });
    }
}

And that's it! The only reliable solution I found.

Solution 20 - Modal Dialog

Below are the granular details:

show.bs.modal works while model dialog loading shown.bs.modal worked to do any thing after loading. post rendering

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