anti-select-none - csdn.net

解除 CSDN code block 的 select 鎖定
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// ==UserScript==
// @name        anti-select-none - csdn.net
// @namespace   Violentmonkey Scripts
// @match       https://blog.csdn.net/*
// @grant       none
// @version     1.1.0
// @author      Lofairy
// @icon        https://blog.csdn.net/favicon.ico
// @description 解除 CSDN code block 的 select 鎖定
// ==/UserScript==
 
/* jshint esversion:6 */
 
(function() {
    'use strict';
    // console.info('init');
 
    var observer = new MutationObserver(resetTimer);
    var timer = setTimeout(action, 3000, observer);
    observer.observe(document, {childList: true, subtree: true});
 
    // reset timer every time something changes
    function resetTimer(changes, observer) {
        // console.info('timer');
        clearTimeout(timer);
        timer = setTimeout(action, 3000, observer);
    }
 
    function action(observer) {
      let codeElemants = document.querySelectorAll('pre');
      if (codeElemants.length > 0) {
        observer.disconnect();
        // console.info('done');
        codeElemants.forEach(ele => {
            ele.children[0].style.userSelect = 'text';
            ele.children[0].style.webkitUserSelect = 'text';
            ele.children[1].remove();
        });
      }
    }
  
})();