JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://alexschneider.github.io/pushbullet-js/pushbullet.min.js"></script>
<input id=files type=file>
<pre><code id="result"></code></pre>

JavaScript

PushBullet.APIKey = "Your API Key here";

document.getElementById('files').addEventListener('change', function(e) {
    var file = this.files[0];
    PushBullet.pushFile("Your Device ID Here", null, file, "hi", function(err, res) {
        if(err) {
            throw err;
        } else {
            document.getElementById("result").innerHTML = JSON.stringify(res, null, 4);
        }
    });
});