xhr_abortinprogress.html
<!DOCTYPE html>
<html class="reftest-wait">
<meta charset=UTF-8>
<script>"use strict";
(function(){
var req = new XMLHttpRequest();
req.open('GET', '?' + Date.now());
req.responseType = 'moz-blob';
var b = null;
req.onprogress = function(e) {
b = req.response;
};
req.onreadystatechange = function(e) {
if (req.readyState == 3) {
req.abort();
}
if (req.readyState == 4) {
document.documentElement.removeAttribute('class');
}
};
req.send();
})();
</script>
