iOS 11 Safari bootstrap modal text area outside of cursor

Question

With iOS 11 safari, input textbox cursor are outside of input textbox. We did not get why it is having this problem. As you can see my focused text box is email text input b

Answer 1

This solution worked for me and its working well across all browsers on iOS.

.safari-nav-force{
/* Allows content to fill the viewport and go beyond the bottom */
height: 100%;
overflow-y: scroll;
/* To smooth any scrolling behavior */
-webkit-overflow-scrolling: touch;
}

JavsScript

var iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
$('.modal').on('shown.bs.modal', function () {
    if (iOS && $('.modal').hasClass('in')){
        $('html,body').addClass('safari-nav-force');
    }
});
$('.modal').on('hidden.bs.modal', function () {
    if (iOS && !$('.modal').hasClass('in')){
        $('html,body').removeClass('safari-nav-force');
    }
});