Leetcode - 771. Jewels and Stones

https://leetcode.com/problems/jewels-and-stones/

/**
 * @param {string} jewels
 * @param {string} stones
 * @return {number}
 */
var numJewelsInStones = function (jewels, stones) {
  let result = 0;
  for (let i = 0; i < stones.length; i++) {
    if (jewels.includes(stones[i])) {
      result++;
    }
  }
  return result;
};

Runtime: 95 ms, faster than 62.67% of JavaScript online submissions for Jewels and Stones.

Memory Usage: 41.9 MB, less than 93.79% of JavaScript online submissions for Jewels and Stones.