skip_all_setinterval.user.js

// ==UserScript==
// @name         Instant setInterval Execution
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        *://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==

(function() {
    'use strict';

    const originalSetInterval = window.setInterval;

    window.setInterval = function (callback, delay, ...args) {
    	console.log('------interval callback--------');
    	console.dir(callback);
        // Return a dummy interval ID
        return originalSetInterval(callback, 0, ...args);
    };
    
    const originalSetTimeout = window.setTimeout;
    
	window.setTimeOut = function (callback, delay, ...args) {
		console.log('------timeout callback--------')
    	console.dir(callback);
        // Return a dummy interval ID
        return originalSetTimeout(callback, 0, ...args);
    };
})();