09-mostRepeatedChar/index.js

@@ -1,4 +1,17 @@
 export function mostUsedChar(text) {
-    // implementar logica aqui
-    return ""
-}
+  // implementar logica aqui
+  let arr = text.toLowerCase().split("").sort();
+  let mostRepeated = null;
+  let moreOccurrences = -1;
+
+  let count = 1;
+  for (let i = 1; i <= arr.length; i++) {
+    if (i < arr.length && arr[i] === arr[i - count]) {
+      count++;
+    } else if (count > moreOccurrences) {
+      mostRepeated = arr[i - 1];
+      moreOccurrences = count;
+    }
+  }
+  return `${mostRepeated}`;
+}