Create a practice/ folder (or append to each doc) with short exercises + expected outputs.\n\nAcceptance criteria:\n- Exercises for arrays, functions, objects, core concepts, async\n- Include solutions in separate section or files\n- Keep examples runnable
Create a practice/ folder (or append to each doc) with short exercises + expected outputs.\n\nAcceptance criteria:\n- Exercises for arrays, functions, objects, core concepts, async\n- Include solutions in separate section or files\n- Keep examples runnable