open base64 pdf array

HTML

<script src="//mozilla.github.io/pdf.js/build/pdf.js"></script>

<button id="btnTest">Click me</button>

JavaScript

$(document).ready(function () {
	$('#btnTest').click(function(){
  go();
  });
  });




function go()  {
	var data = byteData ; 
//	console.log(data); 
	var pdfData = atob(data);
  console.log(pdfData)
	var file = new Blob([pdfData], {type:'application/pdf'});
	var fileUrl = URL.createObjectURL(file);

     //open it via a link
    var fileName = "test.pdf";
    var a = document.createElement("a");
    document.body.appendChild(a);
    a.href = fileUrl;
    a.download = fileName;
    a.click();
    //open it directly 
    window.open(fileUrl);
   
}



const  byteData =...