# Placeholder Forms

**URL:** <https://meta.discourse.org/t/placeholder-forms/113533>\
**Category:** Theme component\
**Tags:** official, placeholder-forms\
**Created:** [April 5, 2019, 11:18am UTC](https://meta.discourse.org/t/placeholder-forms/113533 "2019-04-05T11:18:48Z")\
**Posts on this page:** 1\
**Showing post:** 35

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**Author:** ![j.jaffeux](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/j.jaffeux/32/60297_2.png) [@j.jaffeux](https://meta.discourse.org/u/j.jaffeux)\
**Post date:** [September 24, 2020, 9:10pm UTC](https://meta.discourse.org/t/placeholder-forms/113533/35 "2020-09-24T21:10:36Z")

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The big issue with math handling like this, is that you need to `eval()` and eval is unsafe, so you need to use some lib which provide a safe eval with a limited subset of the real eval. I’m unsure we want all this complexity for such a rare case.

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