Delete liked tweets

delete-likes.js

// run in console at twitter.com/username/likes (replace username with your username)
(function(document,window) {
   function clearlikes(){
        window.scrollTo(0,document.body.scrollHeight);
        Array.from(document.querySelectorAll('[data-testid="unlike"]')).forEach(function(el){
            el.click();
        })
        setTimeout(clearlikes, 5000);
    }
    clearlikes();
})(document,window)

// Minified
// (function(a,c){function b(){c.scrollTo(0,a.body.scrollHeight);Array.from(a.querySelectorAll('[data-testid="unlike"]')).forEach(function(d){d.click()});setTimeout(b,5E3)}b()})(document,window);