Lepra comments raiting filter

lepra-comments-raiting-filter.js

// ==UserScript==
// @name         Lepra comments raiting filter
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://*.leprosorium.ru/comments/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    const control = document.querySelector('.b-comments_controls');
    const dropBox = document.createElement('select');
    const options = ['Только с рейтингом выше ...', '0', '50', '100', '150'].map((text, i) =>{
        const option = document.createElement('option');
        option.value = option.text = text;
        option.disabled = option.selected = i == 0;
        dropBox.appendChild(option);
        return option;
    })
    control.appendChild(dropBox);
    dropBox.onchange = () => {
        const rating = parseInt(options[dropBox.selectedIndex].value);
        const comments = document.getElementsByClassName('comment');
        Array.from(comments).forEach((comment) => {
            comment.style.display = parseInt(comment.querySelector('.vote_result').textContent) >= rating ? '': 'none';
        });
    }
})();