Fix dir variable calculation in paths.js

Author: AhmadHmedann

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

@@ -17,9 +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.substring(1,lastSlashIndex) ;
+const dir =filePath.substring(0,lastSlashIndex) ;
 const ext =filePath.substring(filePath.lastIndexOf(".")) ;
 console.log(dir);
 console.log(ext);
 
-// https://www.google.com/search?q=slice+mdn
+// https://www.google.com/search?q=slice+mdn