Answers for "bootstrap modal programmatically open"

programmatically show modal boostrap

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

open bootstrap modal with javascript

$("#myModal").modal()

bootstrap 4 modal popup remote url

$('body').on('click', '[data-toggle="modal"]', function(){
        $($(this).data("target")+' .modal-body').load($(this).data("remote"));
    });