method
build_observer
v1.0.0 -
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Class: ActionView::Helpers::JavaScriptHelper
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build_observer(klass, name, options = {})
private
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# File actionpack/lib/action_view/helpers/javascript_helper.rb, line 503 def build_observer(klass, name, options = {}) options[:with] ||= 'value' if options[:update] callback = remote_function(options) javascript = "new #{klass}('#{name}', " javascript << "#{options[:frequency]}, " if options[:frequency] javascript << "function(element, value) {" javascript << "#{callback}})" javascript_tag(javascript) end