<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Subtraction Assignment Operator Example</title></head><body><script> // Subtraction Assignment Operator Example let z = 12; z -= 4; // Equivalent to: z = z - 4 document.write("z = " + z); // Output: z = 8</script></body></html>