[Algorithm] 43 week(11.21 ~ 11.27) 2/3

771. Jewels and Stones

var numJewelsInStones = function(jewels, stones) {
    let count = 0;
    const splitJewels = jewels.split('');
    const splitStones = stones.split('');
    
    for(let i = 0; i < splitJewels.length; i++){
        for(let j = 0; j < splitStones.length; j++){
            if(splitJewels[i] === splitStones[j]){
                count++;
            }
        }
    }
    
    return count;
};