Using javascript pass form variables to iframe src

 

 Open PDF in Bootstrap Modal Window

 

This tutorial shows How to pass a JavaScript/jQuery variable to bootstrap modal view and sets it to iframe  src attribute.
It passes value dynamically to src attribute of the iframe. When the user clicks a link, it opens the URL in a popup window.

This  code shows the PDF in a Model without download option by hiding the toolbar. 

To show PDF toolbar in modal, just add #toolbar=1  in the above script.

index.php


<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Bootstrap Model with PDF Example - coding-zon</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css">
        <script src="https://cdn.jsdelivr.net/npm/jquery@3.6.1/dist/jquery.slim.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.1/dist/umd/popper.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"></script> 
        
        
    <script>
        $(document).on("click", ".clickLink", function () {
	var fileName = $(this).data('id');

	path = "pdfs//"+fileName+"#toolbar=0";  // To Hide Toolbar
	var src = $('#myframe').attr('src'); ;

	$(".modal-body #filename").text(fileName);   //sets filename in modal 
	$('.modal-body #myframe').attr('src', path);   //sets src value in  in modal iframe

	});
    </script>
 
 </head>
    <body>
        
       <h4>Open PDF in Bootstrap Modal- Using Links</h4>

<!-- Link to Open the Modal -->


<a data-toggle="modal" class="clickLink" data-id="test-Doc1.pdf" href="#myModal">
View PDF1
</a>| 
<a data-toggle="modal" class="clickLink" data-id="test-Doc2.pdf" href="#myModal">
View PDF2
</a>| 
<a data-toggle="modal" class="clickLink" data-id="test-Doc3.pdf" href="#myModal">
View PDF3
</a>
	
<br /><br /><br />
		
<h4>Open PDF in Bootstrap Modal- Button View</h4>
		
<a data-toggle="modal"  class="clickLink btn btn-danger" data-id="test-Doc1.pdf" href="#myModal">Open PDF1 </a>

<br /><br />

<a data-toggle="modal" class="clickLink btn btn-primary" data-id="test-Doc2.pdf" href="#myModal">Open PDF1 </a>

<br /><br />

<a data-toggle="modal" class="clickLink btn btn-success" data-id="test-Doc3.pdf" href="#myModal">Open PDF3 </a>
		




<!-- The Modal -->
<div class="modal" id="myModal">
<div class="modal-dialog"  style="max-width: 80% !important;" role="document">
<div class="modal-content">

<!-- Modal Header -->
<div class="modal-header">
<h4 class="modal-title">Modal Heading</h4>
<button type="button" class="close" data-dismiss="modal">&times;</button>
</div>

<!-- Modal body -->
<div class="modal-body">

File Name: <a name="filename" id="filename"></a>

<iframe src="" width="100%" height="500px" id="myframe"></iframe>  
</div>

<!-- Modal footer -->
<div class="modal-footer">
<button type="button" class="btn btn-danger" data-dismiss="modal">Close</button>
</div>

</div>
</div>
</div>

</div><!-- Model End   -->


</body>
</html>

               

What you learn:

How to open selected PDF in a bootstrap modal window.

How to view PDF document in bootstrap Popup Modal

How to embed PDF in modal window using iframe tag. 

How to embed PDF in HTML iframe tag.

How to enable PDF toolbar in iframe tag.






Demo


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