Stop the body from scrolling when dialog is open on a mobile screen

Question

Stop the body from scrolling when dialog is open on a mobile screen

I am encountering an issue on a mobile screen where I am displaying a dialog that is longer than the screen size, causing it to scroll.

The problem arises when scrolling past the bottom of the dialog (I am utilizing Bootstrap 3) as instead of stopping, it begins to scroll the underlying body. Despite trying all suggested solutions from this resource, the issue still persists!

For a live demonstration of the problem, check out the JSbin link below

http://jsbin.com/EdAhAsU/1/

Please note: To replicate the problem, access the link on any mobile device and try scrolling past the end of the dialog. I have tested this on both Android and iPhone with no success.

Thank you for your help!

javascript jquery css twitter-bootstrap mobile

Answer 1

Answer №1

Give this a try:

body {
    left: 0;
    -webkit-overflow-scrolling: touch;
    position: fixed;
    top: 0;
    width: 100%;
}

This solution worked well for me (check it out at http://jsbin.com/aXoMaGo/2) when using Safari/Chrome on iOS 7, and it also adds a nice bounce effect to the modal.

For a final working solution (even when the dialog is closed): https://jsbin.com/aXoMaGo/6. The only drawback is that it scrolls to the top of the page each time the modal is closed.

Answer 2

Give this a try:

body {
    left: 0;
    -webkit-overflow-scrolling: touch;
    position: fixed;
    top: 0;
    width: 100%;
}

This solution worked well for me (check it out at http://jsbin.com/aXoMaGo/2) when using Safari/Chrome on iOS 7, and it also adds a nice bounce effect to the modal.

For a final working solution (even when the dialog is closed): https://jsbin.com/aXoMaGo/6. The only drawback is that it scrolls to the top of the page each time the modal is closed.

Answer 3

Answer №2

To simplify the process, consider implementing the overscroll-behavior CSS property onto the popup box.

.modal {
overscroll-behavior: contain;
}

This functionality was introduced to CSS with the intent of addressing scenarios like this one.

Answer 4

To simplify the process, consider implementing the overscroll-behavior CSS property onto the popup box.

.modal {
overscroll-behavior: contain;
}

This functionality was introduced to CSS with the intent of addressing scenarios like this one.

Answer 5

Answer №3

Dealing with a comparable problem in the past, I found that using overflow:hidden tends to work well for desktops. However, for mobile devices, it's necessary to also implement position fixed. To achieve this, simply add a ".noscroll" class to the body element when your dialog is active:

body.noscroll {
    overflow: hidden;
    position: fixed;
}

Answer 6

Dealing with a comparable problem in the past, I found that using overflow:hidden tends to work well for desktops. However, for mobile devices, it's necessary to also implement position fixed. To achieve this, simply add a ".noscroll" class to the body element when your dialog is active:

body.noscroll {
    overflow: hidden;
    position: fixed;
}

Answer 7

Answer №4

One problem that stands out is the incorrect event names being used for Bootstrap 3. Additionally, it appears that mobile browsers based on webkit do not follow the overflow: hidden CSS property when applied to the <body> element. A potential solution could be:

$(function(){
  $('#myModal').modal().on('shown.bs.modal', function(){
    $('body').css({
      position: 'fixed'
    });
  }).on('hidden.bs.modal', function(){
    $('body').css({
      position: ''
    });
  });
});

Answer 8

One problem that stands out is the incorrect event names being used for Bootstrap 3. Additionally, it appears that mobile browsers based on webkit do not follow the overflow: hidden CSS property when applied to the <body> element. A potential solution could be:

$(function(){
  $('#myModal').modal().on('shown.bs.modal', function(){
    $('body').css({
      position: 'fixed'
    });
  }).on('hidden.bs.modal', function(){
    $('body').css({
      position: ''
    });
  });
});

Answer 9

Answer №5

Not happy with the current solution as it doesn't work on my Note 8, causing the screen to freeze.

I've come up with a hack that may have some bugs, but it addresses the main problem :)

Check out the code on js bin

Feel free to ask for any clarifications!

Answer 10

Not happy with the current solution as it doesn't work on my Note 8, causing the screen to freeze.

I've come up with a hack that may have some bugs, but it addresses the main problem :)

Check out the code on js bin

Feel free to ask for any clarifications!

Answer 11

Answer №6

After struggling with the same issue for a whole day, I finally found a solution!

Here's the code snippet that worked like a charm for me, hopefully, it does the same for you:

if( navigator.userAgent.match(/iPhone|iPad|iPod/i) ) {
        $('.modal').on('show.bs.modal', function() {
                    var scrollPosition=$(window).scrollTop();
                    $('.modal-open').css('position', 'fixed');
                  });
        $('.modal').on('hide.bs.modal', function() {
                    $('body').css('position', '');
                    $(window).scrollTop(scrollPosition);  
                  });
    }

Answer 12

After struggling with the same issue for a whole day, I finally found a solution!

Here's the code snippet that worked like a charm for me, hopefully, it does the same for you:

if( navigator.userAgent.match(/iPhone|iPad|iPod/i) ) {
        $('.modal').on('show.bs.modal', function() {
                    var scrollPosition=$(window).scrollTop();
                    $('.modal-open').css('position', 'fixed');
                  });
        $('.modal').on('hide.bs.modal', function() {
                    $('body').css('position', '');
                    $(window).scrollTop(scrollPosition);  
                  });
    }

Answer 13

Answer №7

Below is the HTML code for my modal:

<div class="modal fade" role="dialog" aria-labelledby="myLargeModalLabel" aria-hidden="true" tabindex="-1" aria-describedby="ContentLoader">
      <div class="modal-dialog modal-lg">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
            <h4 class="modal-title">Topic title</h4>
          </div>
          <div class="modal-body">
              <!-- some content -->
          </div>
          <div class="modal-footer">
              <!-- footer -->
          </div>
        </div>
      </div>
    </div>

Answer 14

Below is the HTML code for my modal:

<div class="modal fade" role="dialog" aria-labelledby="myLargeModalLabel" aria-hidden="true" tabindex="-1" aria-describedby="ContentLoader">
      <div class="modal-dialog modal-lg">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">Close</span></button>
            <h4 class="modal-title">Topic title</h4>
          </div>
          <div class="modal-body">
              <!-- some content -->
          </div>
          <div class="modal-footer">
              <!-- footer -->
          </div>
        </div>
      </div>
    </div>

Answer 15

Answer №8

After much thought, I have devised a top-notch solution. By implementing a prevent scroll feature when a dialog opens, and then re-enabling scroll when the dialog closes, we can effectively manage the scrolling behavior.

let previousScrollPosition = 0;
const preventScroll = function () {

    previousScrollPosition = $('body').scrollTop();
    $('body').css('overflow', 'hidden');
    $('body').css('position', 'fixed');

}
const enableScroll = function () {

    $('body').css('position', 'relative');
    $('body').css('overflow', 'auto');
    window.scrollTo(0, previousScrollPosition);

}

Answer 16

After much thought, I have devised a top-notch solution. By implementing a prevent scroll feature when a dialog opens, and then re-enabling scroll when the dialog closes, we can effectively manage the scrolling behavior.

let previousScrollPosition = 0;
const preventScroll = function () {

    previousScrollPosition = $('body').scrollTop();
    $('body').css('overflow', 'hidden');
    $('body').css('position', 'fixed');

}
const enableScroll = function () {

    $('body').css('position', 'relative');
    $('body').css('overflow', 'auto');
    window.scrollTo(0, previousScrollPosition);

}

Stop the body from scrolling when dialog is open on a mobile screen

Answer №1

Answer №2

Answer №3

Answer №4

Answer №5

Answer №6

Answer №7

Answer №8

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