# Can we make custom oneboxes?

**URL:** https://meta.discourse.org/t/can-we-make-custom-oneboxes/51463
**Category:** Support
**Created:** [October 12, 2016, 8:01pm UTC](https://meta.discourse.org/t/can-we-make-custom-oneboxes/51463 "2016-10-12T20:01:34Z")
**Posts on this page:** 1
**Showing post:** 10

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### Author: ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)
#### Post date: [May 25, 2017, 6:24pm UTC](https://meta.discourse.org/t/can-we-make-custom-oneboxes/51463/10 "2017-05-25T18:24:15Z")

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> [@trusktr](#):
>
> What exactly is different about codepen compared to jsfiddle that makes only codepen embeddable? Can’t both run javascript, and don’t both run in a iframe?

> [@Embed playbuzz quiz into post](https://meta.discourse.org/t/embed-javascript-code/59183/6):
>
> Codepen is a good netizen and only executes random JS when you click on the play button.

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