JSFiddle - React, Tailwind, and code Playground

by jonahe

JavaScript

const correctIndexes = [0,3];
const maxCorrect = correctIndexes.length;

const selectedIndexes = [0,1,3];

const newArray = [0,3,0,1,3];

const correctIndex = 3;



function countCorrect(correctIndexes, selectedIndexes) {
	return selectedIndexes.filter(ind => correctIndexes.includes(ind)).length;
}

console.log(countCorrect(correctIndexes,selectedIndexes))