# Prototypes - What, When, and How

**URL:** <https://forum.kirupa.com/t/prototypes-what-when-and-how/31849>\
**Category:** flash\
**Created:** [September 28, 2003, 6:14am UTC](https://forum.kirupa.com/t/prototypes-what-when-and-how/31849 "2003-09-28T06:14:22Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ratbaggy](https://avatars.discourse-cdn.com/v4/letter/r/a3d4f5/32.png) [@ratbaggy](https://forum.kirupa.com/u/ratbaggy)\
**Post date:** [September 28, 2003, 6:14am UTC](https://forum.kirupa.com/t/prototypes-what-when-and-how/31849/1 "2003-09-28T06:14:22Z")

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Maybe someone could shed a little more light on function.prototypes? I’ve had a look in the reference but it makes little to no sense to me.

What they do, When to use them and How they function?

Cheers in adv.