Where to Place Page-Specific JavaScript in Rails 3.1
In Rails 3.1, the Asset Pipeline combines all JavaScript files into a single file, improving performance. However, this raises concerns about the execution of page-specific code on all pages.
Controller-Specific JavaScript
The Asset Pipeline documentation provides a solution for including controller-specific JavaScript. By creating separate JavaScript and CSS files in the following locations:
You can then load these files only for specific controllers using the following tags:
Other Options
If the above approach is not suitable, you can consider these options:
Conclusion
Page-specific JavaScript can be handled in Rails 3.1 using controller-specific JavaScript files, or the ID/Class check and AJAX methods mentioned above. By choosing the appropriate approach, you can optimize your JavaScript execution and prevent unnecessary code bloat.
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