JS Test
0 likes • Mar 9, 2021
JavaScript
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const euclideanDistance = (a, b) =>Math.hypot(...Object.keys(a).map(k => b[k] - a[k]));euclideanDistance([1, 1], [2, 3]); // ~2.2361euclideanDistance([1, 1, 1], [2, 3, 2]); // ~2.4495
class SequentialQueue{ //if you want it to go backwards, too badnext(){return this.i++;}constructor(start = 0){this.i = start;}}const que = new SequentialQueue(0);for(let i = 0; i < 10; i++){console.log(que.next());}
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();}}
const getURLParameters = url =>(url.match(/([^?=&]+)(=([^&]*))/g) || []).reduce((a, v) => ((a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1)), a),{});
import { configureStore } from "@reduxjs/toolkit";import { combineReducers } from "redux";import profile from "./profile";import auth from "./auth";import alert from "./alert";const reducer = combineReducers({profile,auth,alert,});const store = configureStore({ reducer });export default store;
//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);}