This chapter will discuss about download and set up of JqueryUI
library. We will also briefly study the directory structure and its
contents. JqueryUI library can be used in two ways in your web page −
This is useful when you require only specific plugins or features of the
JqueryUI library. The directory structure of this version is shown in
the following figure −
- Downloading UI Library from its official website
- Downloading UI Library from CDNs
Download UI Library from Its Official Website
When you open the link http://jqueryui.com/, you will see there are three options to download JqueryUI library −
- Custom Download − Click on this button to download a customized version of library.
- Stable − Click on this button to get the stable and latest version of JqueryUI library.
- Legacy − Click on this button to get the previous major release of the JqueryUI library.
Custom Download with Download Builder
Using Download Builder, you can create a custom build to include only those portions of the library that you need. You can download this new customized version of JqueryUI, depending on the chosen theme. You will see the following screen (same page is split into two images) −
Uncompressed files are located in the development-bundle
directory. The uncompressed file is best used during development or
debugging; the compressed file saves bandwidth and improves performance
in production.
Stable download
Click on the Stable button, which leads directly to a ZIP file
containing the sources, examples, and documentation for latest version
of JqueryUI library. Extract the ZIP file contents to a jqueryui directory.
This version contains all files including all dependencies, a large
collection of demos, and even the library’s unit test suite. This
version is helpful to getting started.
Legacy download
Click on the Legacy button, which leads directly to a ZIP file of
previous major release of JqueryUI library. This version also contains
all files including all dependencies, a large collection of demos, and
even the library’s unit test suite. This version is helpful to get you
started.
Download UI Library from CDNs
A CDN or Content Delivery Network is a network of servers designed to
serve files to users. If you use a CDN link in your web page, it moves
the responsibility of hosting files from your own servers to a series of
external ones. This also offers an advantage that if the visitor to
your webpage has already downloaded a copy of JqueryUI from the same
CDN, it won't have to be re-downloaded.
The jQuery Foundation, Google, and Microsoft all provide CDNs that host jQuery core as well as jQuery UI.
Because a CDN does not require you to host your own version of jQuery
and jQuery UI, it is perfect for demos and experimentation.
We are using the CDN versions of the library throughout this tutorial.
Example
Now let us write a simple example using JqueryUI. Let us create an
HTML file, copy the following content to the <head> tag −
<link href = "https://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css" rel = "stylesheet"> <script src = "https://code.jquery.com/jquery-1.10.2.js"></script> <script src = "https://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
Details of the above code are −
- The first line, adds jQuery UI theme (in our case ui-lightness) via CSS. This CSS will make our UI stylish.
- Second line, adds the jQuery library, as jQuery UI is built on top of jQuery library.
- Third line, adds the jQuery UI library. This enables jQuery UI in your page.
Now let's add some content to <head> tag −
<script type = "text/javascript"> $(function () { $('#dialogMsg').dialog(); }); </script>
In the <body> add this −
<body> <form id = "form1" runat = "server"> <div id = "dialogMsg" title = "First JqueryUI Example"> Hello this is my first JqueryUI example. </div> </form> </body>
The complete HTML code is as follows. Save it as myfirstexample.html
<!DOCTYPE html> <html> <head> <link href = "https://code.jquery.com/ui/1.10.4/themes/ui-lightness/jquery-ui.css" rel = "stylesheet"> <script src = "https://code.jquery.com/jquery-1.10.2.js"></script> <script src = "https://code.jquery.com/ui/1.10.4/jquery-ui.js"></script> <script type = "text/javascript"> $(function () { $('#dialogMsg').dialog(); }); </script> </head> <body> <form id = "form1" runat = "server"> <div id = "dialogMsg" title = "First JqueryUI Example"> Hello this is my first JqueryUI example. </div> </form> </body> </html>
Open the above page in your browser. It will produce the following screen.
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