# (FMX) variable pb

**URL:** <https://forum.kirupa.com/t/fmx-variable-pb/102197>\
**Category:** Uncategorized\
**Created:** [February 20, 2004, 7:42pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197 "2004-02-20T19:42:46Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![Uli](https://avatars.discourse-cdn.com/v4/letter/u/ccd318/32.png) [@Uli](https://forum.kirupa.com/u/Uli)\
**Post date:** [February 20, 2004, 7:42pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/1 "2004-02-20T19:42:46Z")

</div>

Hello,

I’m checking for the name of the parent movie clip which is something like MyClip2 or MyClip3 …  
when i trace the variable MyID, it displays the right number but  
when i try to do basic operation on it, it acts like a string not a number… how can i solve this pb?

[AS]  
on (press) {  
if (this.\_name.substr(0, 6) == “MyClip”) {  
MyID = this.\_name.substr(6, 6);  
trace(MyID+10);  
//result with MyClip5 : 510 }  
[/AS]

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 20, 2004, 7:47pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/2 "2004-02-20T19:47:12Z")

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Convert MyID to a number then do the operation.

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 20, 2004, 7:50pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/3 "2004-02-20T19:50:35Z")

</div>

how do i do that 😊

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 20, 2004, 7:53pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/4 "2004-02-20T19:53:24Z")

</div>

```auto
MyID = Number(this._name.substr(6, 6));
                trace(MyID+10);

```

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 20, 2004, 8:01pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/5 "2004-02-20T20:01:32Z")

</div>

thank you very much sir :beam:

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<div class="post-metadata">

**Author:** ![system](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/6/2/621e5c11736f46532526e61be85940af4230f3e5.png) [@system](https://forum.kirupa.com/u/system)\
**Post date:** [February 20, 2004, 8:02pm UTC](https://forum.kirupa.com/t/fmx-variable-pb/102197/6 "2004-02-20T20:02:48Z")

</div>

welcome sir :beam: