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移除灰度滤镜,还你一个五彩斑斓的网页(支持所有使用 CSS filter 的站点)
/*!
// ==UserScript==
// @name 黑白网页颜色还原
// @namespace https://github.com/maomao1996/tampermonkey-scripts
// @version 0.2.0
// @description 移除灰度滤镜,还你一个五彩斑斓的网页(支持所有使用 CSS filter 的站点)
// @author maomao1996
// @include *
// @grant none
// ==/UserScript==
*/
;
(function () {
'use strict';
var observerChildList = function (callback, selector) {
var observer = new MutationObserver(function (_a) {
var mutation = _a[0];
mutation.type === 'childList' && callback(observer, mutation);
});
observer.observe(selector, { childList: true, subtree: true });
return observer;
};
var style = document.documentElement.style;
var filterKey = [
'filter',
'-webkit-filter',
'-moz-filter',
'-ms-filter',
'-o-filter'
].find(function (prop) { return typeof style[prop] === 'string'; });
var restore = function () {
Array.prototype.forEach.call(document.querySelectorAll('*'), function (el) {
var filterValue = document.defaultView.getComputedStyle(el)[filterKey];
if (filterValue.match('grayscale')) {
el.style.setProperty(filterKey, 'initial', 'important');
}
});
};
observerChildList(restore, document.querySelector('body'));
restore();
})();