Facebook - Get most liked comment

fb-most-liked.js

// Copy and paste on your console (Command - Option - J (Mac) or Control -Shift -J (Windows/Linux))
// Press enter and wait the magic happens :3

var intervalShowComments = setInterval(function () {
    var evt = document.createEvent("MouseEvents");
    evt.initMouseEvent("click", true, true, window, 1, 0, 0, 0, 0,
    false, false, false, false, 0, null);

    var cb = document.querySelector('.UFIPagerLink');
    if (cb === null) {
        clearInterval(intervalShowComments);
        showMostLiked();
    } else {
        cb.dispatchEvent(evt);
    }
}, 500)


function showMostLiked() {
    var max = 0,
        maxName = '',
        maxNode = null,
        nodeList = document.querySelectorAll('.UFICommentLikeButton span'),
        nodes = Array.prototype.slice.call(nodeList, 0);
    nodes.forEach(function (node) {
        var likes = parseInt(node.innerHTML.replace(',', ''));
        if (likes > max) {
            max = likes;
            maxNode = maxName = node.parentNode.parentNode.parentNode;
            maxName = maxNode.querySelector('.UFICommentActorName').innerHTML;
        }
    });
    alert(maxName + ' - ' + max + ' likes');
}