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Leetcode invisible

A script to hide Leetcode question difficultly

当前为 2020-06-11 提交的版本，查看 最新版本。

  1. // ==UserScript==
  2. // @name         Leetcode invisible
  3. // @version      0.1
  4. // @description  A script to hide Leetcode question difficultly
  5. // @author       osjobs.net
  6. // @match        https://leetcode.com/*
  7. // @exclude      https://leetcode.com/problems/*/discuss/*
  8. // @grant        none
  9. // @namespace https://greatest.deepsurf.us/users/555531
  10. // ==/UserScript==
  11.  
  12.  
  13. // Since Leetcode use Ajax to load content,
  14. // we have to check the label in first few seconds
  15. if (window.location.href.indexOf("problemset") > -1) {
  16.     var problemsetTimer = setInterval(problemsetFunction, 2000);
  17. } else if (window.location.href.indexOf("problems") > -1) {
  18.     var updateTime = 0;
  19.     var problemTimer = setInterval(problemFunction, 100);
  20. }
  21.  
  22.  
  23. function problemsetFunction() {
  24.     // Problems list page
  25.     if(document.querySelector("span.label-warning")) {
  26.         var elementE = document.querySelectorAll("span.label-success");
  27.         var elementM = document.querySelectorAll("span.label-warning");
  28.         var elementH = document.querySelectorAll("span.label-danger");
  29.         update(elementE, "label-success");
  30.         update(elementM, "label-warning");
  31.         update(elementH, "label-danger");
  32.     }
  33. }
  34.  
  35. function problemFunction () {
  36.     if (updateTime > 0) {
  37.         clearInterval(problemTimer);
  38.     }
  39.     if(document.querySelector("div.css-10o4wqw")) {
  40.         var element = document.getElementsByClassName("css-10o4wqw")[0];
  41.         var child = element.getElementsByTagName("div")[0];
  42.         child.textContent = "Unknown";
  43.         child.className = child.className.replace(/css.*/,"");
  44.         updateTime += 1;
  45.     }
  46.     if(document.querySelector("div.difficulty__ES5S")) {
  47.         var similar_element = document.getElementsByClassName("difficulty__ES5S");
  48.         for (var i=0; i<similar_element.length; i++) {
  49.             similar_element[i].textContent = "Unknown";
  50.         }
  51.     }
  52. }
  53.  
  54. function update(element, classname) {
  55.     for (var i=0; i < element.length; i++) {
  56.         element[i].classList.remove(classname);
  57.         element[i].textContent = "Unknown";
  58.     }
  59. }