Userscript to clean Amazon links and remove Affiliate params

cleanAmazon.user.js

// ==UserScript==
// @name         Amazon Affiliate cleaner
// @namespace    https://gist.github.com/gsabater/d7767ee5d21069a814967ecfa81bd415
// @version      0.3
// @description  Remove affiliate links for amazon links
// @author       You
// @match        *
// @include      *
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    
    function clearAmazonLinks(){
        var links = document.getElementsByTagName("a");
        for(var i=0; i<links.length; i++) {
            var link = links[i];
            if(link.href.includes("amazon.")){
                var clean = link.href.substr(0, link.href.indexOf('?'));
                // console.log(url,links[i].href);
                link.href = clean;
            }
        }
    }
    window.setTimeout(clearAmazonLinks, 1000);
})();