JSFiddle - React, Tailwind, and code Playground

by ha ha

JavaScript

function solution(participant, completion) {
		var participant = ['leo', 'kiki', 'eden'],
				completion = ['eden', 'kiki'];
    var answer = '';
    for(var i=0; i < completion.length; i++){
        var index = participant.indexOf(completion[i]);
        participant.splice(index, 1);
    } 
    
    console.log(participant.length)
    
    answer = participant[0];
    return answer;
}