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It's Not Important

At least part of the world will became a bit less important now.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

🚀 安装遇到问题?关注公众号获取帮助

公众号二维码

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回复【脚本】获取最新教程和防失联地址

// ==UserScript==
// @name         It's Not Important
// @namespace    lainscripts_it_is_not_important
// @version      1.5
// @description  At least part of the world will became a bit less important now.
// @author       lainverse
// @match        *://*/*
// @grant        none
// @run-at       document-start
// ==/UserScript==
/* jshint esnext: true */

(function(){
    'use strict';

    var imptt = /((display|(margin|padding)(-top|-bottom)?)\s*:[^;!]*)!\s*important/ig,
        rplsf = function(str,grp){return grp;};

    function unimportanter(el, si) {
        if (!imptt.test(si) || el.style.display == 'none')
            return 0; // get out if we have nothing to do here
        if (el.nodeName === 'IFRAME' && el.src &&
            el.src.slice(0,17) === 'chrome-extension:')
            return 0; // Web of Trust uses this method to add their frame
        var so = si.replace(imptt, rplsf), ret = 0;
        if (si != so) {
            ret = 1;
            el.setAttribute('style', so);
        }
        return ret;
    }

    function logger(c) {
        if (c) console.log('Some page elements became a bit less important.');
    }

    function checkTarget(m, c) {
        var si = m.getAttribute ? m.getAttribute('style') : null;
        if (si && si.indexOf('!') > -1)
            c+=unimportanter(m, si);
        return c;
    }

    function checkNodes(m, c) {
        var i = m.length;
        while(i--)
            c = checkTarget(m[i], c);
        return c;
    }

    var observer = new MutationObserver(function(mutations) {
        setTimeout(function(m) {
            var i = m.length, c = 0;
            while(i--) {
                if (m[i].target)
                    c = checkTarget(m[i].target, c);
                if (m[i].addedNodes.length)
                    c = checkNodes(m[i].addedNodes, c);
            }
            logger(c);
        },0,mutations);
    });

    observer.observe(document, { childList : true, attributes : true, attributeFilter : ['style'], subtree : true });

    window.addEventListener ("load", function(){
        var c = 0, imp = document.querySelectorAll('[style*="!"]'), i = imp.length;
        while(i--) {
            c+= checkTarget(imp[i], c);
        }
        logger(c);
    }, false);
})();