group anagrams solution

Author: yoon-turtle

group-anagrams/yoonthecoder.js

@@ -0,0 +1,14 @@
+var groupAnagrams = function (strs) {
+  const map = new Map();
+
+  for (const str of strs) {
+    // split the string into each character (returns an array) => sort it => convert it to string
+    const sortedStr = str.split('').sort().join('');
+    // use the sorted Str as unique keys in the map
+    if (map.has(sortedStr)) {
+      map.get(sortedStr).push(str);
+    } else map.set(sortedStr, [str]);
+  }
+  // convert values into an array
+  return [...map.values()];
+};