Quizlet Question Bypass

Gives you the images of the solutions on the bottom. Works best with auto-login quizlet.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         Quizlet Question Bypass
// @namespace    http://tampermonkey.net/
// @version      0.31
// @description  Gives you the images of the solutions on the bottom. Works best with auto-login quizlet.
// @author       DevT02
// @license MIT
// @match        http*://www.quizlet.com/explanations/questions/*
// @match        http*://quizlet.com/explanations/questions/*
// @match        http*://www.quizlet.com/explanations/textbook-solutions/*
// @match        http*://quizlet.com/explanations/textbook-solutions/*
// @icon         data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @grant        none

// ==/UserScript==
/* globals jQuery, $, waitForKeyElements */

window.addEventListener('load', function() {
  'use strict';
  const NEW_METHOD = localStorage.getItem("newMethod")==='true' // when slider is clicked, local storage will get result (keep scrolling for if-else on NEW_METHOD)
  let LOGGED_IN = false // assume we are not logged in

  if ($("div[class^='SiteAvatar'],div[class*=' SiteAvatar']").length > 0){
      LOGGED_IN = true // if we find an avatar, we're logged in
  }


  var paywall = document.getElementById('__NEXT_DATA__'); // get paywall
  var data = paywall.outerHTML == null ? location.reload() : paywall.outerHTML; // outer json html (RELOAD IF NO HTML IS AVAILABLE, THIS IS FOR FIREFOX)
  console.log('Pre-checks completed! QuizletQuestionBypass by DevT02')
  console.log('Check out my other projects at https://github.com/DevT02/') // START PROGRAM

  // add new method for unblur (requires to not be logged in) this adds the LABEL and the SLIDER.
  var headers = document.getElementsByTagName('header');
  headers[0].insertAdjacentHTML('beforeend', '<div id=antiLogindiv> <h2 id=method>Use NoLogin?</h2> <label class="switch"> <input type="checkbox"> <div class="slider round"></div> </label> </div>');
  headers[0].insertAdjacentHTML('beforeend', '<style type="text/css" id=centerDiv>#method{position:relative,top:15px;padding-bottom: 40px;margin:auto;white-space: nowrap; font-size: 22px;color: orange;}</style>')
  headers[0].insertAdjacentHTML('beforeend', '<style type="text/css" id=toggleSwitchStyle>.switch {position:absolute;top:37px;display: inline-block;width: 60px;height: 34px;}.switch input {display:none;}.slider {position: absolute;cursor: pointer;top: 0;left: 0;right: 0;bottom: 0;background-color: #ccc;-webkit-transition: .4s;transition: .4s;}.slider:before {position: absolute;content: "";height: 26px;width: 26px;left: 4px;bottom: 4px;background-color: white;-webkit-transition: .4s;transition: .4s;}input:checked + .slider {background-color: #2196F3;}input:focus + .slider {box-shadow: 0 0 1px #2196F3;}input:checked + .slider:before {-webkit-transform: translateX(26px);-ms-transform: translateX(26px);transform: translateX(26px);}.slider.round {border-radius: 34px;}.slider.round:before {border-radius: 50%;}</style>')

  // if ALREADY was clicked, ensure it is in the correct spot!
  if (NEW_METHOD){
     $('input[type="checkbox"]').attr('checked', '')
  }
  else{
     $('input[type="checkbox"]').removeAttr('checked')
  }

  // IF we CLICK the slider, store what position it is in (incase we move to next page!!!)
  $('.slider.round').click(function() {
   var checkbox = $('input[type="checkbox"]');
   if (!$(checkbox).prop('checked')) {
      localStorage.setItem("newMethod", true);
   } else {
      localStorage.setItem("newMethod", false);
   }
  });

  // DO THE NEW METHOD
  if (NEW_METHOD && !LOGGED_IN){
      var selectElementContainer = $("div[class^='ExplanationSolutionsContainer'],div[class*=' ExplanationSolutionsContainer']")
      $(selectElementContainer).eq(0).css("max-height","10000rem") // best for when not logged in
       $(selectElementContainer).eq(0).css("overflow", "visible")
      selectElementContainer.each(function (index, element){
          $(selectElementContainer).eq(0).children().removeAttr('hidden') // show hidden divs (again best when not logged in)
      });
  }

  // OLD KATEX UNBLUR METHOD

  // split urls into an array named "data"
  data = data.split("https://").map(val => { return "https://"+val }).slice(1);
  function dataIncludes(a1, i){
    return data[i].includes(a1)
  }

  var selectEachElement = $("div[class^='ExplanationsSolutionCard'],div[class*=' ExplanationsSolutionCard']")
  // Actually unblur KATEX
  selectEachElement.each(function (index, element){
       $(selectEachElement).eq(index).children().eq(1).children().first().children().first().removeAttr('style').css("filter","blur(0)")

  });

  var data2 = [];
  for(let i = 0; i < data.length; i++){
    data[i] = data[i].substring(0, data[i].indexOf("\""))
    if (dataIncludes("lateximg.png", i) || dataIncludes("assets", i) || dataIncludes("textbook_covers", i) || dataIncludes("cache", i)){
      data.splice(i, 1)
      i--
    }
    else if (dataIncludes("textbook-solutions", i)){
        data2.push(data[i])
    }
  }


  // add bottom buttons

  var buttonCont = document.createElement("div");
  buttonCont.setAttribute('id', 'buttonContainer');
  buttonCont.style.backgroundColor = "white";
  document.body.appendChild(buttonCont);

  var buttonContainer = document.getElementById('buttonContainer');
  var buttonFrag = document.createDocumentFragment();

  // skip question buttons if logged in (WIP)
  data2.forEach(function(url, index, originalArray) {
    var btn = document.createElement('button');
    btn.style.textAlign = 'center';
    btn.style.transitionDuration = '0.4s'; // if i decide to add a hover event (unfortunately requires a css file)
    btn.style.display = 'inline-block';
    btn.style.margin= '6px 8px';
    switch (true){
        case (index == 0):
           btn.innerText = "Next Problem";
           break;
        case (index == 1):
           btn.innerText = "Skip 2 Problems";
           break;
        case (index == 2):
           btn.innerText = "Previous Problem";
           break;
        case (index == 3):
           btn.innerText = "Reload";
           break;
        case (index == originalArray.length - 1):
           btn.innerText = "Back to Textbook";
           break;
        default:
           return;
    }
    btn.style.padding = '20px 40px';
    btn.style.background = 'white'; // setting the background color to white
    btn.style.color = 'black'; // setting the color to black
    btn.style.border = '2px solid #f44336'
    btn.style.fontSize = '20px'; // setting the font size to 20px
    btn.onclick = function() {
       if (index != 3)
           location.href = url;
       else
           location.reload()
    }
    buttonContainer.appendChild(btn);
  });
  buttonContainer.appendChild(buttonFrag);
  document.getElementById("buttonContainer").style.display = "flex";
  document.getElementById("buttonContainer").style.alignItems = "center";
  document.getElementById("buttonContainer").style.justifyContent = "center";




  // remove popups
  var paywallremover = [ document.getElementsByClassName("hideBelow--s"), document.getElementsByClassName("hideBelow--s"), document.getElementsByClassName("hideBelow--m")]
  try{
      paywallremover.forEach(element => element[0].remove())
  }
  catch (err){
      console.log(err)
  }




  // add new container for images
  var imgCont = document.createElement("div");
  imgCont.setAttribute('id', 'imageContainer')
  imgCont.style.backgroundColor = "white";
  document.body.appendChild(imgCont);

  var container = document.getElementById('imageContainer');
  var docFrag = document.createDocumentFragment();

  data.forEach(function(url, index, originalArray) {
    var img = document.createElement('img');
    img.src = url;
    docFrag.appendChild(img);
  });
  container.appendChild(docFrag);


  // to work in tandem with quizlet bypass
  let div = document.createElement('div');
  div.classList.add('hideBelow--s');
  document.body.appendChild(div)
  let div2 = document.createElement('div');
  div2.classList.add('hideAbove--s');
  document.body.appendChild(div2)
}, false);