How to call the Ajax ready states on the jQuery $.ajax
method?
$.ajax()
returns the XmlHttpRequest object, so if you really want to access it as the state changes, you can do this:
var xhr = $.ajax({ ... });
xhr.onreadystatechange = function() { alert(xhr.readyState); };
But the built-in callbacks should be all you need for most uses, particularly success
and complete
.
To do things before the request fires, use beforeSend
, or more appropriately for most cases, the .ajaxStart()
and .ajaxStop()
events...for example to show a loading message whenever any ajax activity is going on.
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