# This

**URL:** <https://forum.kirupa.com/t/this/48764>\
**Category:** Uncategorized\
**Created:** [April 16, 2004, 4:06pm UTC](https://forum.kirupa.com/t/this/48764 "2004-04-16T16:06:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wyclef](https://avatars.discourse-cdn.com/v4/letter/w/65b543/32.png) [@wyclef](https://forum.kirupa.com/u/wyclef)\
**Post date:** [April 16, 2004, 4:06pm UTC](https://forum.kirupa.com/t/this/48764/1 "2004-04-16T16:06:54Z")

</div>

can someone explain this to me???

i’ve got this code…

```auto

this.audioMC.vol_offBTN.onRelease = function() {
	audioMC.vol_onBTN._visible = true;
	audioMC.vol_offBTN._visible = false;
};

```

and the code is on the root level, but should i use \_root or this?? and is it this or \_this? and if I use this or root in the function name do I use it inside the function???