"Spinners" with Java Script

This simple demo computes the result of  (Input A . Input B) immediately after clicking the "spinners" up / down or
after changing a value in an input field and clicking to another location on the screen, clicking the Calc button or
pressing the [Tab] or [Enter] key (Firefox/SeaMonkey only).


Input A: up
down
Input B: up
down
Result = Input A * Input B
Actions: