# Understanding addEventListener and removeEventListener help

**URL:** <https://forum.kirupa.com/t/understanding-addeventlistener-and-removeeventlistener-help/271098>\
**Category:** flash\
**Created:** [September 18, 2008, 11:10am UTC](https://forum.kirupa.com/t/understanding-addeventlistener-and-removeeventlistener-help/271098 "2008-09-18T11:10:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![alexmbra](https://avatars.discourse-cdn.com/v4/letter/a/b9bd4f/32.png) [@alexmbra](https://forum.kirupa.com/u/alexmbra)\
**Post date:** [September 18, 2008, 11:10am UTC](https://forum.kirupa.com/t/understanding-addeventlistener-and-removeeventlistener-help/271098/1 "2008-09-18T11:10:56Z")

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What will happen if I just add a addEventListener without the removeEventListener? Will it be creating a new eventListener everytime the event occurs, or will it be replacing the old one?

Thanks