[Algorithm] 23 week(6.20 ~ 6.26) 2/3

1436. Destination City

var destCity = function(paths) {
    let destCity = paths[0][1];
    
    while(true){
        const findCity = paths.find((path) => path[0] === destCity);
        if(!findCity) return destCity;
        destCity = findCity[1];
    }
};