XMLHttpRequestEventTarget.onprogress
The XMLHttpRequestEventTarget.onprogress
is the function called periodically with information when an XMLHttpRequest
before success completely.
Syntax
XMLHttpRequest.onprogress = callback;
Values
callback
is the function to be called periodically before the request is completed.
Event
event.loaded
the amount of data currently transfered.event.total
the total amount of data to be transferred.
XMLHttpRequest.onprogress = function (event) {
event.loaded;
event.total;
};
Example
var xmlhttp = new XMLHttpRequest(),
method = 'GET',
url = 'https://developer.mozilla.org/';
xmlhttp.open(method, url, true);
xmlhttp.onprogress = function () {
//do something
};
xmlhttp.send();
Specifications
Specification | Status | Comment |
---|---|---|
XMLHttpRequest | Living Standard | WHATWG living standard |
Browser compatibility
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