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Diffstat (limited to 'guides/source/working_with_javascript_in_rails.md')
| -rw-r--r-- | guides/source/working_with_javascript_in_rails.md | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/guides/source/working_with_javascript_in_rails.md b/guides/source/working_with_javascript_in_rails.md index 367abddcfa..e3856a285a 100644 --- a/guides/source/working_with_javascript_in_rails.md +++ b/guides/source/working_with_javascript_in_rails.md @@ -191,6 +191,34 @@ $(document).ready -> Obviously, you'll want to be a bit more sophisticated than that, but it's a start. You can see more about the events [in the jquery-ujs wiki](https://github.com/rails/jquery-ujs/wiki/ajax). +Another possibility is returning javascript directly from the server side on +remote calls: + +```ruby +# articles_controller +def create + respond_to do |format| + if @article.save + format.html { ... } + format.js do + render js: <<-endjs + alert('Article saved successfully!'); + window.location = '#{article_path(@article)}'; + endjs + end + else + format.html { ... } + format.js do + render js: "alert('There are empty fields in the form!');" + end + end + end +end +``` + +NOTE: If javascript is disabled in the user browser, `format.html { ... }` +block should be executed as fallback. + ### form_tag [`form_tag`](http://api.rubyonrails.org/classes/ActionView/Helpers/FormTagHelper.html#method-i-form_tag) @@ -357,7 +385,7 @@ This gem uses Ajax to speed up page rendering in most applications. Turbolinks attaches a click handler to all `<a>` on the page. If your browser supports -[PushState](https://developer.mozilla.org/en-US/docs/DOM/Manipulating_the_browser_history#The_pushState(\).C2.A0method), +[PushState](https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Manipulating_the_browser_history#The_pushState()_method), Turbolinks will make an Ajax request for the page, parse the response, and replace the entire `<body>` of the page with the `<body>` of the response. It will then use PushState to change the URL to the correct one, preserving |