Create jewels_and_stones.js

Author: Jaskaran Singh

jewels_and_stones.js

@@ -0,0 +1,16 @@
+/**
+ * @param {string} J
+ * @param {string} S
+ * @return {number}
+ */
+var numJewelsInStones = function(J, S) {
+    let stones = 0;
+    for(let i = 0; i < J.length; i++) {
+        for(let j = 0; j < S.length; j++) {
+            if(J[i] === S[j])
+                stones++;
+        }
+    }
+    
+    return stones;
+};