#45 RJS Tips

最新推荐文章于 2018-09-21 22:46:32 发布

iteye_19623

最新推荐文章于 2018-09-21 22:46:32 发布

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分类专栏： Railscasts 文章标签： Access

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This episode is packed with little RJS goodies. Learn the different ways to access an element, how to add "if" conditions and how to apply an effect to multiple elements.


# do_magic.rjs
page[:reviews].toggle

page[:review_name].value = "this is cool"

page << "if ($('review_name').value == 'foo') {"
page.alert('hi foo!')
page << "}"

page.select("#reviews strong").each do |element|
  element.visual_effect :highlight
end

<%= link_to_function "Show me the Magic!" do |page|
  #...
end %>