bootstrap 4 prevent modal from closing code example
Example 1: prevent bootstrap modal from closing when clicking outside
<div id="idModal" class="modal hide" data-backdrop="static" data-keyboard="false">
Example 2: bootstrap modal prevent close
$('#myModal').modal({backdrop: 'static', keyboard: false})
Example 3: bootstrap modal popup disable click outside
$('#myModal').modal({backdrop: 'static', keyboard: false})
Example 4: bootstrap modal not close
$('#MymodalPreventScript').modal({
backdrop: 'static',
keyboard: false
});