Printing an heap memorized as an array level by level in javascript
• Jan 26, 2023 •AustinLeath
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//Use at https://mee6.xyz/leaderboard/732262089447702588//Higher the spammy stat, the more spammy that person is.//This is because mee doesn't give experience to people who post more comments in a minute.function statBlock(title, value){let elm = document.createElement("div");elm.className = "leaderboardPlayerStatBlock";let titleElm = document.createElement("div");titleElm.className = "leaderboardPlayerStatName";titleElm.textContent = title;let valueElm = document.createElement("div");valueElm.className = "leaderboardPlayerStatValue";valueElm.textContent = value;elm.appendChild(titleElm);elm.appendChild(valueElm);elm.remove = function(){this.parentElement.removeChild(this);}return elm;}for(let player of Array.from(document.getElementsByClassName("leaderboardPlayer"))){if(player.spamminess) player.spamminess.remove();let messages = null;let experience = null;const statBlockArray = Array.from(player.querySelectorAll(".leaderboardPlayerStatBlock"));for(let statBlock of statBlockArray){const statName = statBlock.querySelector(".leaderboardPlayerStatName").textContent;const text = statBlock.querySelector(".leaderboardPlayerStatValue").textContent;const number = ((text.includes("k"))? (text.replace("k","") * 1000.0) : +(text));if(statName.includes("MESSAGES")){messages = number;}else if(statName.includes("EXPERIENCE")){experience = number;}}const stats = player.querySelector(".leaderboardPlayerStats");const messagesElement = stats.firstChild;const spamminess = ((messages/experience)*2000.0).toFixed(2);player.spamminess = stats.insertBefore(statBlock("SPAMMINESS", spamminess), messagesElement);}
const luhnCheck = num => {let arr = (num + '').split('').reverse().map(x => parseInt(x));let lastDigit = arr.splice(0, 1)[0];let sum = arr.reduce((acc, val, i) => (i % 2 !== 0 ? acc + val : acc + ((val *= 2) > 9 ? val - 9 : val)),0);sum += lastDigit;return sum % 10 === 0;};luhnCheck('4485275742308327'); // trueluhnCheck(6011329933655299); // trueluhnCheck(123456789); // false
const binomialCoefficient = (n, k) => {if (Number.isNaN(n) || Number.isNaN(k)) return NaN;if (k < 0 || k > n) return 0;if (k === 0 || k === n) return 1;if (k === 1 || k === n - 1) return n;if (n - k < k) k = n - k;let res = n;for (let j = 2; j <= k; j++) res *= (n - j + 1) / j;return Math.round(res);};binomialCoefficient(8, 2); // 28
// Vanilla JS Solution:var app = document.getElementById('app');var typewriter = new Typewriter(app, { loop: true });typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();// React Solution:import Typewriter from 'typewriter-effect';<Typewriteroptions={{ loop: true }}onInit={typewriter => {typewriter.typeString("I'm John and I'm a super cool web developer").pauseFor(3000).deleteChars(13) // "web developer" = 13 characters.typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!".start();}}/>
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);}
class Timer{start(){this.startTime = Date.now();}stop(){const dt = Date.now() - this.startTime;console.log(dt);return dt;}getExecTime(fun, asynchronous){return asynchronous ? this.getAsyncExecTime(fun) : this.getSyncExecTime(fun);}getSyncExecTime(fun){this.start();fun();return this.stop();}async getAsyncExecTime(fun){this.start();await fun();return this.stop();}static average(fun, numTimes, asynchronous = false){const times = [];const promises = [];let timer = new Timer();if(asynchronous){for(let i = 0; i < numTimes; i++){timer.getAsyncExecTime(fun);}}else{for(let i = 0; i < numTimes; i++){timer.getSyncExecTime(fun);}}return (times => times.reduce(((sum, acc) => sume + acc), 0) / times.length);}static async timeAsync(fun, numTimes){if(numTimes <= 1) return new Timer().getAsyncExecTime(fun);const promises = [];let timer = new Timer(true);for(let i = 0; i < numTimes; i++){promises.push(fun().catch((e)=>{}));}try{await Promise.all(promises).catch((e)=>{});}catch(e){//do absolutely nothing}return timer.stop();}constructor(start = false){if(start) this.start();}}