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<!DOCTYPE html>
<meta charset="utf-8">
<title>XHR Sender</title>
<script>
window.addEventListener("message", function (event) {
let { url, method } = event.data;
if (!method) {
method = "GET";
}
const xhr = new XMLHttpRequest;
xhr.addEventListener("load", (evt) => {
const message = {
loaded: true,
status: xhr.status,
body: xhr.responseText,
};
parent.postMessage(message, "*");
});
xhr.addEventListener("error", (evt) => {
const message = {
loaded: false,
status: xhr.status,
};
parent.postMessage(message, "*");
});
xhr.open(method, url);
xhr.send();
});
</script>
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