How to prevent background scrolling when Bootstrap 3 modal open on mobile browsers?

Question

How to prevent background scrolling when Bootstrap 3 modal open on mobile platforms? On desktop browsers the background is prevented from scrolling and works as it should.<

Answer 1

$('.modal') 
.on('shown', function(){ 
  console.log('show'); 
  $('body').css({overflow: 'hidden'}); 
}) 
.on('hidden', function(){ 
  $('body').css({overflow: ''}); 
}); 

use this one