bookmarklet that removes annoying video from websites (please minify before use)

fuck-video.js

( function () {
    let words = 'player vid';
    words = window.prompt('block what?',words);
    words = words.split(' ').map(n=>n.trim());

    if (typeof window.__fuckTimer__ !== 'undefined') return;

    const del = function(node) {
        if (!node) return;
        node.parentNode.removeChild(node); 
    };
    const fuck = function(node) {
        let p = node.parentNode;
        del(node);
        // del(node.parentNode);
    };
    const querySelectorAllToArray = function (selector, what=document) {
        return Array.prototype.slice.call(what.querySelectorAll(selector));
    };
    const fuckAllVideos = function() {
        // all divs that has "player" in its class or id 
        querySelectorAllToArray('div').filter(node => {
            let cls = node.className;
            let id = node.id;
            for (let word of words) {
                if (cls && cls.indexOf(word) >= 0) return true;
                if (id && id.indexOf(word) >= 0) return true;
            }
        }).map(fuck);
        // all <video> tags
        querySelectorAllToArray('video').map(fuck); 
    };
    // do once 
    fuckAllVideos();
    // fuck these tags every 5 seconds
    let timer = setInterval(fuckAllVideos, 5000);
    window.__fuckTimer__ = timer;
})();