# What does this code mean?

**URL:** https://forum.kirupa.com/t/what-does-this-code-mean/219643
**Category:** flash
**Created:** [March 19, 2007, 12:32am UTC](https://forum.kirupa.com/t/what-does-this-code-mean/219643 "2007-03-19T00:32:21Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![driz](https://avatars.discourse-cdn.com/v4/letter/d/e5b9ba/32.png) [@driz](https://forum.kirupa.com/u/driz)
#### Post date: [March 19, 2007, 12:32am UTC](https://forum.kirupa.com/t/what-does-this-code-mean/219643/1 "2007-03-19T00:32:21Z")

</div>

```auto
name = this._name;
	piece = name.substring(1);
	piece = parseInt(piece);

```

```auto
if(eval(this._droptarget) == _parent["placeholder"+piece] )

```

```auto
_parent.finish++;

```

im confused to the what substring does, parseInt, and eval do

please could you explain thanks