variables example - moved length declaration to newline

Author: oslek

README.md

@@ -371,7 +371,8 @@
     var items = getItems(),
         goSportsTeam = true,
         dragonball,
-        i, length;
+        i, 
+        length;
     ```
 
   - Assign variables at the top of their scope. This helps avoid issues with variable declaration and assignment hoisting related issues.