JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//api.downlow.herokuapp.com/v0/filepicker.js"></script>
<button id="test">test</button>

JavaScript

//Seting up Filepicker.io with your api key
    filepicker.setKey('AJi7L4XniQleiHEgkG-aWz');

    var conversions = {
        'origin': {},
        'mythumb': {
            'w': 640,
            'format': 'jpg'
        },

    };

document.getElementById('test').onclick = function(){
    filepicker.getFile(['image/*'], {
        'multiple': true, 'container': 'window',
        'conversions': conversions,
        'services': [filepicker.SERVICES.FACEBOOK,
        filepicker.SERVICES.FLICKR,
        filepicker.SERVICES.COMPUTER,
        filepicker.SERVICES.DROPBOX]
    }, function (response) {
      alert(JSON.stringify(response));
})};