Pero desafortunadamente no obtuve una referencia sin ajax, por eso solo publico aquí
Código de muestra
function uploadFile() { var file = _("file1").files[0]; var formdata = new FormData(); formdata.append("file1", file); var ajax = new XMLHttpRequest(); ajax.upload.addEventListener("progress", progressHandler, false); ajax.addEventListener("load", completeHandler, false); ajax.addEventListener("error", errorHandler, false); ajax.addEventListener("abort", abortHandler, false); ajax.open("POST", "index.php"); ajax.send(formdata); } function progressHandler(event) { _("loaded_n_total").innerHTML = "Uploaded " + event.loaded + " bytes of " + event.total; var percent = (event.loaded / event.total) * 100; _("progressBar").value = Math.round(percent); _("status").innerHTML = Math.round(percent) + "% uploaded... please wait"; } function completeHandler(event) { _("status").innerHTML = event.target.responseText; _("progressBar").value = 0; //wil clear progress bar after successful upload } <div class="col-md-6"> <label class="lbl mandatory" for="">Image</label> <input type="file" name="file1" id="file1" onchange="uploadFile()"><br> <progress id="progressBar" value="0" max="100" style="width:300px;"> </progress> <h3 id="status"></h3> <p id="loaded_n_total"></p> </div>
Creo que no puedes manejar esto sin Ajax. Puede manejar fácilmente el porcentaje de progreso con Dropzone.js