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LeetCode Contest: Open All Problems

Add an "Open All Problems" button on the LeetCode Contest page. Note that Pop-up windows need to be allowed in the web browser.

As of 2022-08-22. See the latest version.

  1. // ==UserScript==
  2. // @name        LeetCode Contest: Open All Problems
  3. // @namespace   JohnZhu04
  4. // @match       https://leetcode.com/contest/*-contest-*/
  5. // @grant       none
  6. // @version     1.0
  7. // @author      JohnZhu04
  8. // @license     MIT
  9. // @supportURL  https://github.com/JohnZhu04/LeetScript/issues
  10. // @icon        https://www.google.com/s2/favicons?sz=64&domain=leetcode.com
  11. // @description Add an "Open All Problems" button on the LeetCode Contest page. Note that Pop-up windows need to be allowed in the web browser.
  12. // ==/UserScript==
  13.  
  14. const openAllProblems = () => {
  15.   const problems = document.querySelectorAll("ul.contest-question-list li a");
  16.   console.log(problems.length);
  17.   problems.forEach((problem) => {
  18.     window.open(problem.href);
  19.   });
  20. };
  21.  
  22. const main = () => {
  23.   if (document.querySelector(".col-md-6") === null) {
  24.     window.setTimeout(main, 2000);
  25.   }
  26.   const button = document.createElement("button");
  27.   button.innerText = "Open All Problems";
  28.   button.addEventListener("click", openAllProblems);
  29.   button.className = "btn btn-default panel-hover";
  30.   document.querySelector(".col-md-6").appendChild(button);
  31. };
  32.  
  33. main();