# Is there an equivalent to instance\_eval in JavaScript?

**URL:** <https://www.ruby-forum.com/t/is-there-an-equivalent-to-instance-eval-in-javascript/60881>\
**Category:** Ruby\
**Created:** [May 18, 2006, 5:44am UTC](https://www.ruby-forum.com/t/is-there-an-equivalent-to-instance-eval-in-javascript/60881 "2006-05-18T05:44:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![johnlester](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/j/e480ec/32.png) [@johnlester](https://www.ruby-forum.com/u/johnlester)\
**Post date:** [May 18, 2006, 5:44am UTC](https://www.ruby-forum.com/t/is-there-an-equivalent-to-instance-eval-in-javascript/60881/1 "2006-05-18T05:44:17Z")

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Thanks,  
-John

> **[John Lam's Blog](https://www.iunknown.com/)**
>
> Since 1997