bootstrap 4 modal close on click outside code example
Example 1: bootstrap modal popup disable click outside
<button data-target="#myModal" data-toggle="modal" data-backdrop="static" data-keyboard="false">
Launch demo modal
</button>
Example 2: do not close dialog box when click outside bootstrap modal
<div id="idModal" class="modal hide" data-backdrop="static" data-keyboard="false">
Example 3: bootstrap modal popup disable click outside
$('#myModal').modal({backdrop: 'static', keyboard: false})