feat: solve new question

Author: arwildo

group-anagrams/main.js

@@ -0,0 +1,21 @@
+/**
+ * @param {string[]} strs
+ * @return {string[][]}
+ */
+ /*
+  strs = ["eat","tea","tan","ate","nat","bat"]
+*/
+
+var groupAnagrams = function(strs) {
+    let map = {};
+
+    for (let i in strs) {
+        let sorted = strs[i].split('').sort().join('');
+        if (!map[sorted]) {
+            map[sorted] = [strs[i]];
+        } else {
+            map[sorted].push(strs[i]);
+        }
+    }
+    return Object.values(map);
+};