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It's Not Important

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

当前为 2016-01-18 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         It's Not Important
  3. // @namespace    lainscripts_it_is_not_important
  4. // @version      0.9
  5. // @description  At least part of the world will became less important now.
  6. // @author       lainverse
  7. // @match        *://*/*
  8. // @grant        none
  9. // ==/UserScript==
  10. /* jshint -W097 */
  11. 'use strict';
  12.  
  13. var imptt = /((display|(margin|padding)(-top|-bottom)?):[^;!]*)!important/g;
  14.  
  15. function unimportanter(el) {
  16.     var si = el.getAttribute('style'), so = si.replace(imptt, function(str,grp){return grp});
  17.     el.setAttribute('style',so);
  18.     return (si != so)?1:0;
  19. }
  20.  
  21. function logger(c) {
  22.     if (c) console.log('Now '+c.toString()+' element'+(c>1?'s':'')+' on the page '+(c>1?'are':'is')+' less important!');
  23. }
  24.  
  25. (function(){
  26.     var c = 0, imp = document.querySelectorAll('[style*="!important"]'), i = imp.length;
  27.     while(i--)
  28.         c+= unimportanter(imp[i]);
  29.     logger(c);
  30. })();
  31.  
  32. (function(){
  33.     var observer = new MutationObserver(function(mutations) {
  34.         setTimeout(function(m){
  35.             var i = m.length, c = 0;
  36.             while(i--) if (m[i].target.style.cssText.indexOf('!') > -1)
  37.                 c+=unimportanter(m[i].target);
  38.             logger(c);
  39.         },0,mutations);
  40.     });
  41.     observer.observe(document.body, { attributes : true, attributeFilter : ['style'], subtree : true });
  42. })();