var open = window.XMLHttpRequest.prototype.open,
send = window.XMLHttpRequest.prototype.send;
function openReplacement(method, url, async, user, password) {
this._url = url;
return open.apply(this, arguments);
}
function sendReplacement(data) {
if(this.onreadystatechange) {
this._onreadystatechange = this.onreadystatechange;
}
/**
* PLACE HERE YOUR CODE WHEN REQUEST IS SENT
*/
this.onreadystatechange = onReadyStateChangeReplacement;
return send.apply(this, arguments);
}
function onReadyStateChangeReplacement() {
/**
* PLACE HERE YOUR CODE FOR READYSTATECHANGE
*/
if(this._onreadystatechange) {
return this._onreadystatechange.apply(this, arguments);
}
}
window.XMLHttpRequest.prototype.open = openReplacement;
window.XMLHttpRequest.prototype.send = sendReplacement;
// https://dmitripavlutin.com/catch-the-xmlhttp-request-in-plain-javascript/
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