talsafran · September 24, 2012 22:45
diff --git a/application.html.erb b/application.html.erb
 <html>
  ...

  <body class="<%= "#{params[:controller]} #{params[:action]}" %>">
    ...
  </body>
 </html>
diff --git a/jquery_extensions.js b/jquery_extensions.js
 // lib/jquery_extensions.js
 var setSelectorContext = function(container) {
  return function(query) {
    return $(container).find(query)
  }
 }


diff --git a/user.js b/user.js
 // app/assets/javascripts/user.js
 $(function() {
  var $$$ = setSelectorContext('.users.index')

  $$$('.profile') == $('.users.index .profile') // returns true
 })
	<html>
	...

	<body class="<%= "#{params[:controller]} #{params[:action]}" %>">
	...
	</body>
	</html>
	// lib/jquery_extensions.js
	var setSelectorContext = function(container) {
	return function(query) {
	return $(container).find(query)
	}
	}
	// app/assets/javascripts/user.js
	$(function() {
	var $$$ = setSelectorContext('.users.index')

	$$$('.profile') == $('.users.index .profile') // returns true
	})