# Do these performance tips still apply?

**URL:** <https://forum.kirupa.com/t/do-these-performance-tips-still-apply/318399>\
**Category:** flash\
**Created:** [January 19, 2011, 4:14am UTC](https://forum.kirupa.com/t/do-these-performance-tips-still-apply/318399 "2011-01-19T04:14:42Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![OMG](https://avatars.discourse-cdn.com/v4/letter/o/9dc877/32.png) [@OMG](https://forum.kirupa.com/u/OMG)\
**Post date:** [January 19, 2011, 4:14am UTC](https://forum.kirupa.com/t/do-these-performance-tips-still-apply/318399/1 "2011-01-19T04:14:42Z")

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[http://www.lostinactionscript.com/blog/index.php/2008/09/28/tips-on-how-to-write-efficient-as3](http://www.lostinactionscript.com/blog/index.php/2008/09/28/tips-on-how-to-write-efficient-as3)  
[http://www.lostinactionscript.com/blog/index.php/2008/11/01/tips-on-how-to-write-efficient-as3-part-2/](http://www.lostinactionscript.com/blog/index.php/2008/11/01/tips-on-how-to-write-efficient-as3-part-2/)

(since it’s written in 2008 I was thinking that maybe adobe optimized stuff)

especially:  
Nulling Array vs. Splicing Array (part 1)  
Arguments vs. variable referencing (part 1)  
Array push vs. Array index (part 2)  
Array emptying - length 0 vs. A new Array (part 2)  
Type casting comparison (part 2)

Thanks