In this article I will explain with an example, how to prevent  Bootstrap Modal Popup from closing when clicked outside. 
	
		 
	
		 
	
		Prevent Bootstrap Modal Popup from closing when clicked outside when opened using Button
	
		The following HTML Markup consists of an HTML DIV and an HTML Button.
	
		The HTML DIV has been assigned with a CSS class modal and role dialog, so that it opens as  Bootstrap Modal Popup. 
	
		The Button will open the  Bootstrap Modal Popup when clicked. The Button has been assigned with two attributes data-backdrop="static" and data-keyboard="false" which disable the closing of the  Bootstrap Modal Popup when clicked outside. 
	
		
			<!DOCTYPE html>
		
			<html xmlns="http://www.w3.org/1999/xhtml">
		
			<head>
		
			    <title></title>
		
			</head>
		
			<body>
		
			    <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#simpleModal" data-backdrop="static" data-keyboard="false">Button 1</button>
		
			    <div id="simpleModal" class="modal" tabindex="-1" role="dialog">
		
			        <div class="modal-dialog" role="document">
		
			            <div class="modal-content">
		
			                <div class="modal-header">
		
			                    <h5 class="modal-title">Customer Details Form</h5>
		
			                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
		
			                        <span aria-hidden="true">×</span>
		
			                    </button>
		
			                </div>
		
			                <div class="modal-body">
		
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			                </div>
		
			                <div class="modal-footer">
		
			                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
		
			                </div>
		
			            </div>
		
			        </div>
		
			    </div>
		
			    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
		
			    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"/>
		
			    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
		
			</body>
		
			</html>
	 
	
		 
	
		 
	
		Prevent Bootstrap Modal Popup from closing when clicked outside when opened using JavaScript
	
		The following HTML Markup consists of an HTML DIV and an HTML Button.
	
		The HTML DIV has been assigned with a CSS class modal and role dialog, so that it opens as  Bootstrap Modal Popup. 
	
		The Button will open the  Bootstrap  Modal Popup when clicked. 
	
		Inside the jQuery document ready event handler, the Button has been assigned with a click event handler. 
	
		When the Button is clicked, the HTML DIV is referenced using jQuery and its modal function is called along with properties data-backdrop: "static" and data-keyboard: false which disables the closing of the Bootstrap Modal Popup when clicked outside. 
	
		
			<!DOCTYPE html>
		
			<html xmlns="http://www.w3.org/1999/xhtml">
		
			<head>
		
			    <title></title>
		
			</head>
		
			<body>
		
			    <button type="button" id="button2" class="btn btn-danger" data-toggle="modal">Button 2</button>
		
			    <div id="simpleModal" class="modal" tabindex="-1" role="dialog">
		
			        <div class="modal-dialog" role="document">
		
			            <div class="modal-content">
		
			                <div class="modal-header">
		
			                    <h5 class="modal-title">Customer Details Form</h5>
		
			                    <button type="button" class="close" data-dismiss="modal" aria-label="Close">
		
			                        <span aria-hidden="true">×</span>
		
			                    </button>
		
			                </div>
		
			                <div class="modal-body">
		
			                    I love ASPSnippets!
		
			                </div>
		
			                <div class="modal-footer">
		
			                    <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
		
			                </div>
		
			            </div>
		
			        </div>
		
			    </div>
		
			    <script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
		
			    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous"/>
		
			    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>
		
			    <script type="text/javascript">
		
			        $(function () {
		
			            $("#button2").click(function () {
		
			                $("#simpleModal").modal({ backdrop: "static ", keyboard: false });
		
			            });
		
			        });
		
			    </script>
		
			</body>
		
			</html>
	 
	
		 
	
		 
	
		Screenshot
	
	
		 
	
		 
	
		
			Browser Compatibility
		
			The above code has been tested in the following browsers.
			
			
  
  
  
  
  
		
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