Merge pull request neetcode-gh#2347 from gonch0/main

Author: aakhtar3

javascript/0187-repeated-dna-sequences.js

@@ -0,0 +1,21 @@
+/**
+ * @param {string} s
+ * @return {string[]}
+ */
+var findRepeatedDnaSequences = function (s) {
+    const seen = new Set();
+    const res = new Set();
+    const arr = Array.from(s);
+
+    for (let l = 0; l < arr.length - 9; l++) {
+        const sequence = s.slice(l, l + 10);
+
+        if (seen.has(sequence)) {
+            res.add(sequence);
+        } else {
+            seen.add(sequence);
+        }
+    }
+
+    return Array.from(res);
+};