Skip to main content

Truncate to fixed decimal

Nov 19, 2022CodeCatch
Loading...

More JavaScript Posts

Untitled

Aug 13, 2023CAS

1 like • 2 views

function sortNumbers(arr) {
return arr.slice().sort((a, b) => a - b);
}
const unsortedArray = [4, 1, 9, 6, 3, 5];
const sortedArray = sortNumbers(unsortedArray);
console.log("Unsorted Numbers:", unsortedArray);
console.log("\n");
console.log("Sorted Numbers:", sortedArray);

Invert Binary Tree

Oct 15, 2022CodeCatch

2 likes • 8 views

var invertTree = function(root) {
const reverseNode = node => {
if (node == null) {
return null
}
reverseNode(node.left);
reverseNode(node.right);
let holdLeft = node.left;
node.left = node.right;
node.right = holdLeft;
return node;
}
return reverseNode(root);
};

server js

Apr 10, 2025hasnaoui1

0 likes • 4 views

const express = require('express')
const mongoose = require('mongoose')
const cors = require('cors')
const dotenv = require('dotenv')
const server = express()
dotenv.config()
server.use(express.json())
server.get('/' , (req , res)=>{
res.send('Hello')
})
//4.lancement du serveur
server.listen(process.env.PORT , ()=>{
console.log('server run on http://localhost:'+process.env.PORT)
})

levenshtein distance

Nov 19, 2022CodeCatch

0 likes • 1 view

const levenshteinDistance = (s, t) => {
if (!s.length) return t.length;
if (!t.length) return s.length;
const arr = [];
for (let i = 0; i <= t.length; i++) {
arr[i] = [i];
for (let j = 1; j <= s.length; j++) {
arr[i][j] =
i === 0
? j
: Math.min(
arr[i - 1][j] + 1,
arr[i][j - 1] + 1,
arr[i - 1][j - 1] + (s[j - 1] === t[i - 1] ? 0 : 1)
);
}
}
return arr[t.length][s.length];
};
levenshteinDistance('duck', 'dark'); // 2

Zybooks?

Oct 29, 2020LeifMessinger

0 likes • 2 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);
}

Mee6 Spam Calculator

Mar 10, 2022LeifMessinger

0 likes • 1 view

//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);
}