Software/Scripts How to Get File Upload Progress in Ajax using jQuery

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How to Get File Upload Progress in Ajax using jQuery

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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.

• Use xhr option in $.ajax() method to handle the progress bar operation.
• Create a new XMLHttpRequest object using JavaScript window.XMLHttpRequest() method.
• The progress event of XMLHttpRequest upload property allows to get the total and loaded length.
• Calculate the percentage and handle the process bar.

$.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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