Works with any backend npm install Zero dependencies

Concurrent File Uploads

Upload multiple files simultaneously by increasing the concurrency setting.

(function() {
 var uploader = new MultipleUpload('#demo', {
 uploadUrl: '/api/upload',
 multiple: true,
 concurrency: 3
 });
 document.getElementById('conc-select').addEventListener('change', function() {
 uploader.setOptions({ concurrency: parseInt(this.value, 10) });
 });
})();