• Oct 29, 2020 •LeifMessinger
0 likes • 3 views
questions = Array.from(document.querySelectorAll(".multiple-choice-question")); async function hackRadio(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; let answerChoices = question.querySelectorAll(".zb-radio-button"); async function guess(answerChoice){ answerChoice.querySelector("label").click(); } let pause = 0; for(let answerChoice of answerChoices){ setTimeout(()=>{guess(answerChoice)},pause); //No need to check given that it will record the correct answer anyways. pause += 1000; } } for(let question of questions){ hackRadio(question); } questions = Array.from(document.querySelectorAll(".short-answer-question")); async function hackShortAnswer(question){ if(question.querySelector(".question-chevron").getAttribute("aria-label") == "Question completed") return; question.querySelector("textarea").value = question.querySelector(".forfeit-answer").textContent; //question.querySelector(".check-button").click(); They are smart bastards } for(let question of questions){ const showAnswerButton = question.querySelector(".show-answer-button"); showAnswerButton.click(); showAnswerButton.click(); hackShortAnswer(question); }
• Feb 3, 2021 •C S
0 likes • 2 views
import React, { useState } from 'react' import Welcome from '../components/Welcome' function About() { const [showWelcome, setShowWelcome] = useState(false) return ( <div> {showWelcome ? <Welcome /> : null} </div> <div> {showWelcome && <Welcome /> } </div> ) } export default App
• Nov 19, 2022 •CodeCatch
0 likes • 0 views
// promisify(f, true) to get array of results function promisify(f, manyArgs = false) { return function (...args) { return new Promise((resolve, reject) => { function callback(err, ...results) { // our custom callback for f if (err) { reject(err); } else { // resolve with all callback results if manyArgs is specified resolve(manyArgs ? results : results[0]); } } args.push(callback); f.call(this, ...args); }); }; } // usage: f = promisify(f, true); f(...).then(arrayOfResults => ..., err => ...);
0 likes • 1 view
const shuffle = ([...arr]) => { let m = arr.length; while (m) { const i = Math.floor(Math.random() * m--); [arr[m], arr[i]] = [arr[i], arr[m]]; } return arr; }; const foo = [1, 2, 3]; shuffle(foo); // [2, 3, 1], foo = [1, 2, 3]
const toFixed = (n, fixed) => ~~(Math.pow(10, fixed) * n) / Math.pow(10, fixed); // Examples toFixed(25.198726354, 1); // 25.1 toFixed(25.198726354, 2); // 25.19 toFixed(25.198726354, 3); // 25.198 toFixed(25.198726354, 4); // 25.1987 toFixed(25.198726354, 5); // 25.19872 toFixed(25.198726354, 6); // 25.198726
• Sep 13, 2023 •C S
0 likes • 6 views
/** * @param {number[]} nums * @return {boolean} */ var containsDuplicate = function(nums) { return new Set(nums).size !== nums.length };