JSFiddle - React, Tailwind, and code Playground

HTML

<button>Download PDF</button>

JavaScript

$(document).ready( function() {
    var downloadFile = function(url){
        var iframe = $("iframe#download");
        if (!iframe.length) {
            iframe = $("<iframe id='download' style='display:none;'/>");
            $("body").append(iframe);
        }
        iframe.attr("src", url);
    };

    $("button").click(function() {    
        downloadFile("http://www.education.gov.yk.ca/pdf/pdf-test.pdf");
    });
});