functions allowing to get the CSS rules applied to an element
Tính đến
Script này sẽ không được không được cài đặt trực tiếp. Nó là một thư viện cho các script khác để bao gồm các chỉ thị meta
// @require https://update.greasyfork.org/scripts/394970/765728/CSS%20rules%20utilities.js
// ==UserScript==
// @name CSS rules utilities
// @namespace http://tampermonkey.net/
// @version 0.2
// @description functions allowing to get the CSS rules applied to an element
// @author CoStiC
// @match *://*/*
// @grant none
// ==/UserScript==
function findCssRules(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;
}
function modCssRules(el, newRule) {
var elHover = "";
var sheets = document.styleSheets;
if (el !== null) {
el.matches = el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector || el.oMatchesSelector;
for (var sheet in sheets) {
var rules = sheets[sheet].rules || sheets[sheet].cssRules;
for (var rule in rules) {
if (el.matches(rules[rule].selectorText)) {
for (let prop in newRule.cssNormal) { rules[rule].style[prop] = newRule.cssNormal[prop] }
if (typeof newRule.cssHover !== 'undefined') {
var rul = "";
for (let propHover in newRule.cssHover) {
rul += `${propHover}:${newRule.cssHover[propHover]} !important;`;
};
elHover = `${rules[rule].selectorText}:hover{${rul}}`;
}
} else {};
}
}
}
if (elHover !== "") {
let newHoverStyle = document.createElement('style'),
hoverRule = document.createTextNode(elHover);
newHoverStyle.appendChild(hoverRule);
document.head.appendChild(newHoverStyle)
//sheets[sheets.length - 1].insertRule(elHover);
};
}