CSS rule finder

function allowing to get the CSS rules applied to an element

Fra og med 15.01.2020. Se den nyeste version.

Dette script bør ikke installeres direkte. Det er et bibliotek, som andre scripts kan inkludere med metadirektivet // @require https://update.greasyfork.org/scripts/394970/765702/CSS%20rule%20finder.js

// ==UserScript==
// @name         CSS rule finder
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  function allowing to get the CSS rules applied to an element
// @author       You
// @match        http://*/*
// @grant        none
// ==/UserScript==

function css(el) {
    var sheets = document.styleSheets, ret = [];
    el.matches = el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector || el.oMatchesSelector;
    for (var i in sheets) {
        var rules = sheets[i].rules || sheets[i].cssRules;
        for (var r in rules) {
            if (el.matches(rules[r].selectorText)) {
                ret.push(rules[r].cssText);
            }
        }
    }
    return ret;
}