Progress Bar helps to display the file upload status in real-time. You can get the upload progress in Ajax and show the percentage progress bar using jQuery. The progress bar is very useful to make the file upload process user-friendly.
The following code snippet shows how to get the file upload progress in Ajax and make a progress bar with percentage using jQuery.
xhr
option in $.ajax() method to handle the progress bar operation.XMLHttpRequest
object using JavaScript window.XMLHttpRequest() method.progress
event of XMLHttpRequest upload
property allows to get the total and loaded length.$.ajax({
xhr: function() {
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener("progress", function(evt) {
if (evt.lengthComputable) {
var percentComplete = (evt.loaded / evt.total) * 100;
// Place upload progress bar visibility code here
}
}, false);
return xhr;
},
type: 'POST',
url: "upload.php",
data: {},
success: function(data){
// Do something on success
}
});
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