sandbox

hiekkalaatikko

muotti puhekieltä A children's play area consisting of a box filled with sand.
A box filled with sand that is shaped to form a mould for metal casting.
A container for sand or pounce, used historically before blotting paper.
A box carried on locomotives, from which sand runs on the rails in front of the driving wheel, to prevent slipping.
puhekieltä An isolated area where a program can be executed with a restricted portion of the resources available.

Running a program in a sandbox can prevent it from doing any damage to the system.

Although you can use standard JavaScript and AJAX in sandboxed iframe pages to your heart's content, the Facebook Platform places restrictions over the amount of scripting capabilities you can add to the more tightly integrated FBML pages.