# Observe\_field for jquery + rails3

**URL:** <https://www.ruby-forum.com/t/observe-field-for-jquery-rails3/194858>\
**Category:** Rails\
**Created:** [September 12, 2010, 3:49pm UTC](https://www.ruby-forum.com/t/observe-field-for-jquery-rails3/194858 "2010-09-12T15:49:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Guda](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/g/838e76/32.png) [@Guda](https://www.ruby-forum.com/u/Guda)\
**Post date:** [September 12, 2010, 3:49pm UTC](https://www.ruby-forum.com/t/observe-field-for-jquery-rails3/194858/1 "2010-09-12T15:49:20Z")

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I am porting one application to Rails3 and want to know what is the  
right way to do “observe\_field” with Rails3?