Intercept AJAX Tampermonkey Script

intercept.js

(function() {
    'use strict';
XMLHttpRequest.prototype.realOpen = XMLHttpRequest.prototype.open;
var myOpen = function(method, url, async, user, password) {
    console.log('h00ked', url);
    // if(url != 'post.php') {
        //call original
        this.realOpen (method, url, async, user, password);
    // }
    // else {
         // return 1;
    // }
}
//ensure all XMLHttpRequests use our custom open method
XMLHttpRequest.prototype.open = myOpen ;
})();