# backtick_javascript: true require 'native' unless defined?(JQUERY_CLASS) case when `!!Opal.global.jQuery` JQUERY_CLASS = JQUERY_SELECTOR = `Opal.global.jQuery` when `!!Opal.global.Zepto` JQUERY_SELECTOR = `Opal.global.Zepto` JQUERY_CLASS = `Opal.global.Zepto.zepto.Z` else raise NameError, "Can't find jQuery or Zepto. jQuery must be included before opal-jquery" end end