trailing / removed and recomended approach taken

Author: djebsoft

Sprint-1/1-key-exercises/3-paths.js

@@ -17,10 +17,9 @@ console.log(`The base part of ${filePath} is ${base}`);
 // Create a variable to store the dir part of the filePath variable
 // Create a variable to store the ext part of the variable
 
-const dir = filePath.slice(0, lastSlashIndex + 1);
-const ext = filePath.slice(-3); //the extention of the file is always the last three characters in the path
-//or
-//const lastPointIndex = filePath.lastIndexOf(".");
-//const ext = filePath.slice(lastPointIndex+1);
+const dir = filePath.slice(0, lastSlashIndex);
+
+const lastPointIndex = filePath.lastIndexOf(".");
+const ext = filePath.slice(lastPointIndex + 1);
 
 // https://www.google.com/search?q=slice+mdn