The Dojo Toolkit Pdf

The Dojo

Dojo is a JavaScript framework for different needs of major clients of Web development. Dojo abstract, for example, the differences between different browsers allows APIs that work on all the (possible also in the server node Execute js); Creates a framework for the definition of code modules and manage their tobacco addiction; Build tools to optimize the JavaScript and CSS documentation and unit tests; It supports internationalization, localization, and accessibility; and contains a full set of most commonly used utilities and UI widgets. Dojo is fully open. The complete toolkit is available for download in a ZIP file and also Google CDN. The Toolbox contains about 3 000 modules of JavaScript, but also images and other resources. The Dojo Toolkit is divided into several parts: an important feature of AJAX applications is asynchronous communication with the server browser: it is the exchange of information, and the page is refreshed without reloading the whole page need. Traditionally, this is done with the JavaScript XMLHttpRequest object. Dojo provides an abstract container (Dojo XHR) in various implementations of browser XMLHttpRequest and the Dojo. I supports the other transports (such as hidden iframes) and a variety of data formats. With this approach, it is easy that the data a user in a form on the server in the background writing; the server can then answers that updates the appearance of the page with the JavaScript code. Dojo offers a packaging system to facilitate modular development of functions in individual and empty packages; Database boot Initializes Dojo script is a set of namespaces hierarchical package - I, event, etc.,-root unter Dojo namespace. After the initialization of the root namespace any Dojo package can be loaded by support functions "bootstrap" (via XMLHttpRequest or other similar transportation routes). It is also possible that additional namespaces in or parallel to the Dojo namespace, allowing extensions of Dojo or the development of spaces managed by private demand to initialize the Dojo and a third party libraries. Dojo packages can consist of several files and specify which give total Pack files. Each package or file can specify a dependency of other packages or file; When the package is loaded, it takes care also of all dependencies that exist. Workarounds for areas more download Dojo packages are available (although this is a special version of the Dojo). Dojo also provides a mechanism to create profiles; the build system takes as input a list of packages and rhino Tablet uses to create a JavaScript file that contains the packages and their dependencies. Have you all the necessary code will be loaded and initialized once and allows caching of code (most browsers do not using cache files of XMLHttpRequest discharged.) ) ? In addition to the support functions for reading and writing cookies, Dojo provides a local storage abstraction named Dojo Storage client-side. Applications to store data on the client, standing and course with your permission can Web dojo storage. It is suitable for the existing, such as Internet Explorer, Firefox, and Safari Web browsers. When it is included in a Web page, Dojo Storage determines the best way to store the data permanently. In Firefox 2, native browser; use the persistence other browsers use a hidden Flash applet. With Flash 6 + connected is installed on about 95% of all computers with Internet access. This makes the storage mechanism for a good part of the Web accessible installed in the base. For uses of a Web the dojo toolkit pdf application for the file system (e.g., file://-URL), loads of Dojo Storage XPCOM on Firefox and ActiveX is transparent in Internet Explorer to retain the information. Programmer with Dojo Storage is abstracted the used storage mechanism and introduces an abstraction of Hashtable simple, with methods such as put () and get (). Dojo Storage is compatible, no more afternoon from 1. 3. release the button. 1 4 1 10 version always aim to get new versions, he brought major changes. Work on version 2. 0 is complete, wait until 2014 with a release in the future. Dojo criticized on its poor, incomplete and obsolete documentation. To realize the developers made big improvements in the documentation 1/8 release, new tutorials, including an API browser, filling in the missing parts and update most of the examples of the style of AMD. They have been many books on the Dojo, but all based on the Dojo position 1. 3 or a version earlier, several years now old now. Since they predate the support of AMD and its accompanying reorganization, examples of these books are almost exclusively based on the things that are obsolete and are most recommended. The majority of the authors expect 2. 0 before you publish something new Dojo. Many have expressed that the Dojo seems difficult to learn and use, especially when compared with the popular jQuery. Dojo-Co-creator Dylan Schiemann recognizes this as a result of their different fields: it's probably easier to learn something, at least of something else, but our enthusiastic users quick to emphasise, to learn a little later, li Dojo saves countless hours to lift things. . Dojo has maintained the current API legacy, but even despite the rapid development, with a large part of the effort to maintain compatibility, but users found often market not as smooth as the updates of hope. Release a large part of the legacy that API will have to remove the 2. 0 compatible but usually with 1. 8. the Dojo Foundation is not-for-profit 501 (c) (6) open source to help the projects implemented. Its main objectives are support for the acquisition of companies and promotes projects to the Foundation to collaborate with others. . . . . .