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mikecoding / 知乎复制公式到word

// ==UserScript==
// @name         知乎复制公式到word
// @namespace    http://*.zhihu.com
// @version      0.1
// @description  知乎复制公式，点按钮，手动选中复制，word右键粘贴只保留文本，Axmath公式转换，将latex代码转换为axmath公式
// @author       mikecoding
// @match        https://*.zhihu.com/*
// @copyright 2021, mikecoding (https://openuserjs.org/users/mikecoding)
// @require    http://code.jquery.com/jquery-1.11.0.min.js
// @license MIT
// @grant none
// ==/UserScript==

(function () {
  'use strict';
  jQuery.fn.wait = function (selector, func, times, interval) {
    var _times = times || -1, //100次
      _interval = interval || 20, //20毫秒每次
      _self = this,
      _selector = selector, //选择器
      _iIntervalID; //定时器id
    if (this.length) { //如果已经获取到了，就直接执行函数
      func && func.call(this);
    }
    else {
      _iIntervalID = setInterval(function () {
        if (!_times) { //是0就退出
          clearInterval(_iIntervalID);
        }
        _times <= 0 || _times--; //如果是正数就 --

        _self = $(_selector); //再次选择
        if (_self.length) { //判断是否取到
          func && func.call(_self);
          clearInterval(_iIntervalID);
        }
      }, _interval);
    }
    return this;
  }

  $(".Post-Header").wait(".Post-Header", function () {
    $('<a href="javascript:;" class="copytax Button Button--blue">  复制公式</a>').appendTo($("div[class^='CornerAnimayedFlex']"));
    $(".copytax").click(function () {
      console.log("运行成功");
      for (var i = 0; i < document.getElementsByTagName("img").length; i++) {
        if (document.getElementsByTagName("img")[i].hasAttribute("data-formula")) {
          document.getElementsByTagName("img")[i].setAttribute("alt", "$$" + document.getElementsByTagName("img")[i].getAttribute("data-formula") + "$$")
        }
      }
    });
  })

  $(".QuestionPage").wait(".QuestionPage", function () {
    console.log("加载成功");
    $('<a href="javascript:;" class="copytax Button--blue">公式</a>').appendTo($("div[class^='QuestionButtonGroup']"));
    $(".copytax").click(function () {
      console.log("运行成功");
      for (var i = 0; i < document.getElementsByTagName("img").length; i++) {
        if (document.getElementsByTagName("img")[i].hasAttribute("data-formula")) {
          document.getElementsByTagName("img")[i].setAttribute("alt", "$$" + document.getElementsByTagName("img")[i].getAttribute("data-formula") + "$$")
        }
      }
    });
  })
})();