Screencast: Unobtrusive Javascript in Rails 3
Wie in den Vorgängerversionen unterstützt auch Rails 3 bei der Integration von JavaScript. Ryan zeigt diese Woche welche Möglichkeiten Rails 3 bietet.
Download:
Download (27.4 MB, 13:18)
Alternativer Download für iPod & Apple TV (17.7 MB, 13:18)
Resourcen:
- Episode 37: Simple Search Form
- Episode 77: Destroying Without JavaScript
- prototype_legacy_helper
- jquery-ujs
- Full episode source code
Quellcode:
<!-- ujs_example.html -->
<!DOCTYPE html>
<html>
<head>
<title>UJS Example</title>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
$(function() {
$("#alert").click(function() {
alert(this.getAttribute("data-message"));
return false;
})
})
</script>
</head>
<body>
<h1><a href="#" id="alert" data-message="Hello UJS!">Click Here</a></h1>
</body>
</html>
<!-- layouts/application.html.erb -->
<%= javascript_include_tag :defaults %>
<!-- or -->
<%= javascript_include_tag "http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js", "jquery.rails.js" %>
<%= csrf_meta_tag %>
<!-- products/index.html.erb -->
<% form_tag products_path, :method => :get, :remote => true do %>
<p>
<%= text_field_tag :search, params[:search] %>
<%= submit_tag "Search", :name => nil %>
</p>
<% end %>
<div id="products">
<%= render @products %>
</div>
// products/index.js.erb
$("products").update("<%= escape_javascript(render(@products)) %>");
// or
$("#products").html("<%= escape_javascript(render(@products)) %>");
Eingestellt am 15.03.2010 um 08:45
Kategorie: Tutorials
Suchen auf rubyonrails.de
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