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function info(msg) {
postMessage({ type: "info", msg });
}
function ok(a, msg) {
postMessage({ type: "check", what: !!a, msg });
}
function finish() {
postMessage({ type: "finish" });
}
info("Creating XHR...");
var xhr = new XMLHttpRequest();
xhr.open("POST", "echo.sjs");
xhr.responseType = "arraybuffer";
info("Sending some data...");
var data = new Array(256).join("1234567890ABCDEF");
xhr.send({
toString() {
return data;
},
});
var aborted = false;
xhr.onprogress = function () {
info("Onprogress, we abort!");
aborted = true;
xhr.abort();
};
xhr.onloadend = function () {
ok(aborted, "We are still alive after an abort()!");
finish();
};