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MathML Copy Button

Adds a button that copies MathML code to the clipboard.

当前为 2025-02-17 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         MathML Copy Button
  3. // @namespace    http://tampermonkey.net/
  4. // @version      1.1
  5. // @description  Adds a button that copies MathML code to the clipboard.
  6. // @author       Remakker
  7. // @match        https://p2t.breezedeus.com/*
  8. // @grant        GM_setClipboard
  9. // @licence     MIT
  10. // ==/UserScript==
  11.  
  12. (() => {
  13.     'use strict';
  14.  
  15.     const copyMathML = () => {
  16.         const inputElement = document.querySelector('mjx-assistive-mml');
  17.         if (!inputElement) return console.error("Cannot find the element containing MathML code!");
  18.         GM_setClipboard(inputElement.innerHTML);
  19.     };
  20.  
  21.     const applyStylesFromCSSRule = (targetElem, selector) => {
  22.         Array.from(document.styleSheets).forEach(sheet => {
  23.             let rules;
  24.             try {
  25.                 rules = sheet.cssRules;
  26.             } catch (e) {
  27.                 return;
  28.             }
  29.             if (!rules) return;
  30.             Array.from(rules).forEach(rule => {
  31.                 if (rule.type === CSSRule.STYLE_RULE && rule.selectorText === selector) {
  32.                     for (let i = 0; i < rule.style.length; i++) {
  33.                         const propertyName = rule.style[i];
  34.                         const value = rule.style.getPropertyValue(propertyName);
  35.                         const priority = rule.style.getPropertyPriority(propertyName);
  36.                         targetElem.style.setProperty(propertyName, value, priority);
  37.                     }
  38.                 }
  39.             });
  40.         });
  41.     };
  42.  
  43.     const addCopyButton = () => {
  44.         const originalButton = document.querySelector('#copyAsin');
  45.         const newContainer = document.querySelector('#box');
  46.         if (!originalButton || !newContainer) return console.error('Required element(s) not found');
  47.         const newButton = originalButton.cloneNode(true);
  48.         newButton.id = 'newButton';
  49.         newButton.removeAttribute('data-clipboard-text');
  50.         newButton.addEventListener("click", copyMathML);
  51.         const specificSelector = ".Index_indexBox__s5lfQ .Index_index__GsKUn .Index_content__IDt4D > .Index_textAreaBox__ne32- .Index_copy__k5Mir";
  52.         applyStylesFromCSSRule(newButton, specificSelector);
  53.         newContainer.appendChild(newButton);
  54.     };
  55.  
  56.     window.addEventListener('load', addCopyButton);
  57. })();