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---
title: Giới Thiệu Về MDN
slug: MDN/About
translation_of: MDN/About
---
<div>{{MDNSidebar}}</div>
<p>Mozilla Developer Network(MDN) là nợi tổng hợp kiến thức về công nghệ Web và các phần mềm hỗ trợ web, bao gồm:</p>
<ul>
<li>Ngôn ngữ web như <a href="/en-US/docs/CSS" title="/en-US/docs/CSS">CSS</a>, <a href="/en-US/docs/HTML" title="/en-US/docs/HTML">HTML</a>, và <a href="/en-US/docs/JavaScript" title="/en-US/docs/JavaScript">JavaScript</a></li>
<li><a href="/en-US/docs/Apps" title="/en-US/docs/Apps">Ứng dụng web</a></li>
<li><a href="/en-US/docs/Add-ons" title="/en-US/docs/Add-ons">Ứng dụng bổ sung cho trình duyệt Firefox</a></li>
</ul>
<h2 id="Sứ_mệnh">Sứ mệnh</h2>
<p>Sứ mệnh của MDN là cung cấp tài liệu bổ ích, chính xác và đầy đủ về web. Thông tin trên MDN không giới hạn bởi những phần mềm chỉ được Firefox hỗ trơ. Chúng tôi lưu trữ lại tất cả các công nghệ web mở.</p>
<p>Thêm vào đó, chúng tôi cung cấp tài liệu hướng dẫn <a href="/en-US/docs/Mozilla">xây dựng và đóng góp vào các dự án Mozilla</a>, cũng như <a href="/en-US/Firefox_OS">Firefox OS</a> và <a href="/en-US/Apps">phát triển ứng dụng Web</a>.</p>
<p>Nếu bạn không chắc liệu một chủ đề nhất định có nên được trình bày trên Mozilla, hãy đọc: <a href="/en-US/docs/Project:MDN/Contributing/Does_this_belong">Có phải cái này thuộc về MDN?</a></p>
<h2 id="Làm_sao_để_giúp">Làm sao để giúp</h2>
<p>Bạn không cần phải biết lập trình — hay lập trình giỏi— để có thể giúp MDN! Chúng tôi có rất nhiều cách mà bạn có thể giúp, từ việc xem lại các bài viết để chắc rằng chúng có ý nghĩa, hay đóng góp bài dịch, cho tới việc thêm vào những code mẫu. Trên thực tế, có quá nhiều cách giúp đỡ mà chúng tôi tạo ra trang <a href="/en-US/docs/MDN/Quick_start">Bắt đầu</a> nhằm giúp bạn chọn nhiệm vụ dựa trên sở thích cá nhân và lượng thời gian rảnh bạn có!</p>
<h2 id="Cộng_đồng_MDN">Cộng đồng MDN</h2>
<p>Chúng tôi là một cộng đồng toàn cầu! Chúng tôi có những thành viên đóng góp tuyệt vời từ khắp nơi trên thế giới với một vài ngôn ngữ. Nếu bạn muốn biết thêm về chúng tôi, hay bạn cần bất kỳ sự giúp đỡ nào từ MDN, đừng ngại ngần tham gia diễn đàn thảo luận của chúng tôi hoặc kênh IRC!</p>
<h2 id="Bản_Quyền_và_Giấy_phép">Bản Quyền và Giấy phép</h2>
<p>Những tài liệu trên trang MDN được soạn thảo bởi sự đóng góp của nhiều tác giả, bao gồm trong và ngoài tổ chức Mozilla. Trừ khi có sự đồng ý, tất cả nội dung tồn tại dưới các điều kiện của <a class="external text" href="http://creativecommons.org/licenses/by-sa/2.5/" rel="nofollow" title="http://creativecommons.org/licenses/by-sa/2.5/">Creative Commons Attribution-ShareAlike license</a> (CC-BY-SA), v2.5 hay bất cứ phiên bản hiện hành nào. Làm ơn hãy ghi "Mozilla Contributors" cùng với nguồn dẫn tài liệu (hyperlink) (bản online) hoặc đường dẫn URL (bản in) tới trang web mà nội dung được trích dẫn. Ví dụ, để đóng góp cho bài này, bạn có thể ghi:</p>
<blockquote><a href="https://developer.mozilla.org/en-US/docs/MDN/About">About MDN</a> by <a href="https://developer.mozilla.org/en-US/docs/MDN/About$history">Mozilla Contributors</a> is licensed under <a href="http://creativecommons.org/licenses/by-sa/2.5/">CC-BY-SA 2.5</a>.</blockquote>
<p>Lưu ý rằng trong ví dụ trên, "Mozilla Contributors" kết nối trực tiếp với lịch sử của trang được trích dẫn. Hãy xem <a href="http://wiki.creativecommons.org/Marking/Users">Các phương pháp tốt nhất cho ghi công tác phẩm</a> để có sự giải thích chi tiết hơn.</p>
<div class="note">
<p><strong>Note:</strong> See <a href="/en-US/docs/MDN_content_on_WebPlatform.org" title="/en-US/docs/MDN_content_on_WebPlatform.org">MDN content on WebPlatform.org</a> for information about how to reuse and attribute MDN content on that site.</p>
</div>
<p>Code samples added to this wiki before August 20, 2010 are available under the <a class="external" href="http://www.opensource.org/licenses/mit-license.php" title="http://www.opensource.org/licenses/mit-license.php">MIT license</a>; you should insert the following attribution information into the MIT template: "© <date of last wiki page revision> <name of person who put it in the wiki>".</p>
<p>Code samples added on or after August 20, 2010 are in the <a class="external" href="http://creativecommons.org/publicdomain/zero/1.0/" title="http://wiki.creativecommons.org/Public_domain">public domain</a>. No licensing notice is necessary, but if you need one, you can use: "Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/".</p>
<p>If you wish to contribute to this wiki, you must make your documentation available under the Attribution-ShareAlike license (or occasionally an alternative license already specified by the page you are editing), and your code samples available under <a href="http://creativecommons.org/publicdomain/zero/1.0/" title="http://creativecommons.org/publicdomain/zero/1.0/">Creative Commons CC-0</a> (a Public Domain dedication). Adding to this wiki means you agree that your contributions will be made available under those licenses.</p>
<p>Some older content was made available under a license other than the licenses noted above; these are indicated at the bottom of each page by way of an <a class="internal" href="/Project:en/Examples/Alternate_License_Block" title="Project:En/Examples/Alternate License Block">Alternate License Block</a>.</p>
<div class="warning">
<p><strong>Important:</strong> No new pages may be created using alternate licenses.</p>
</div>
<p>Copyright for contributed materials remains with the author unless the author assigns it to someone else.</p>
<p>If you have any questions or concerns about anything discussed here, please contact <a class="external" href="mailto:eshepherd@mozilla.com" rel="nofollow" title="mailto:eshepherd@mozilla.com">Eric Shepherd</a>.</p>
<hr>
<p>The rights in the trademarks, logos, service marks of the Mozilla Foundation, as well as the look and feel of this web site, are not licensed under the Creative Commons license, and to the extent they are works of authorship (like logos and graphic design), they are not included in the work that is licensed under those terms. If you use the text of documents, and wish to also use any of these rights, or if you have any other questions about complying with our licensing terms for this collection, you should contact the Mozilla Foundation here: <a class="external text" href="mailto:licensing@mozilla.org" rel="nofollow" title="mailto:licensing@mozilla.org">licensing@mozilla.org</a>.</p>
<h2 id="Download_content">Download content</h2>
<p>You can retrieve the content of a single page on MDN by adding <a href="/en-US/docs/Project:MDN/Kuma/API#Document_parameters">document parameters</a> to the URL to specify what format you want.</p>
<p>If you want to download a complete, anonymized SQL dump of the MDN database -- that is, a copy of the database with all private user information scrubbed out, we provide that as well. This dump is updated on the first day of each month.</p>
<p>There are three archives that comprise the anonymized monthly dump of MDN:</p>
<dl>
<dt><code><date>.sanitized.devmo_sanitize.sql.gz</code></dt>
<dd>The sanitized MySQL database dump of all of MDN's content, data records, and so forth. This is all article content, history records, and so forth. All personal user information has been stripped out (such as email addresses).</dd>
<dt><code>attachments-<date>.tar.gz</code></dt>
<dd>This archive contains all the file attachments that have been uploaded to the wiki.</dd>
<dt><code>uploads-<date>.tar.gz</code></dt>
<dd>This (very large!) archive contains the files uploaded to the Demo Studio. If your interest is only in wiki content, you don't need to download this.</dd>
</dl>
<p><a href="https://developer.allizom.org/landfill/">Visit the MDN landfill</a> to download these files.</p>
<h3 id="Third-party_tools">Third-party tools</h3>
<p>You can also view MDN content via third-party tools like <a href="http://kapeli.com/dash">Dash</a> (for Mac OS) and <a href="http://zealdocs.org/">Zeal</a> (for Linux and Windows).</p>
<h2 id="Reporting_problems_with_MDN">Reporting problems with MDN</h2>
<p>Now and then, you may run into problems while using MDN. Whether it's a problem with site infrastructure or an error in documentation content, you can either try to fix it yourself or report the problem. While the former is preferred, the latter is sometimes the best you can manage, and that's okay too.</p>
<h3 id="Documentation_errors">Documentation errors</h3>
<p>Obviously, since MDN is a wiki, the best thing you can possibly do is fix problems you spot yourself. But maybe you don't know the answer or are in the middle of rushing to the hospital or something, and need to jot down the problem so someone can look at it later.</p>
<p>As is the case with all things Mozilla, you report a documentation problem by filing a bug. That's when filing a <a href="https://bugzilla.mozilla.org/form.doc">documentation request bug</a> comes in. Our handy documentation request form will gather the information needed to get us started on fixing the issue.</p>
<p>Of course, our writing community is busy, so sometimes the quickest way to see a documentation problem resolved is to fix it yourself. See <a href="/en-US/docs/MDN/Contribute/Creating_and_editing_pages" title="/en-US/docs/Project:MDN/Contributing/Creating_and_editing_pages">Creating and editing pages</a> for details.</p>
<h3 id="Site_bugs_or_feature_requests">Site bugs or feature requests</h3>
<p><a href="/en-US/docs/Project:MDN/Kuma" title="/en-US/docs/Project:MDN/Kuma">Kuma</a>, the Mozilla-developed platform used for the MDN web site, is in a state of continuous development. Our developers—as well as a number of volunteer contributors—are constantly making improvements. If you see a bug, or have a problem with the site, or even have a suggestion for something that could make the software more awesome, you can use the <a href="https://bugzilla.mozilla.org/form.mdn" title="https://bugzilla.mozilla.org/form.mdn">Kuma bug form</a> to file a report.</p>
<h2 id="History_orf_MDN">History orf MDN</h2>
<p>The Mozilla Developer Network (a.k.a. Mozilla Developer Center (MDC), a.k.a. <em>Devmo</em>) project started in early 2005, when the <a class="external" href="http://www.mozillafoundation.org">Mozilla Foundation</a> obtained a license from AOL to use the original <a href="/Project:en/DevEdge" title="Project:en/DevEdge">DevEdge</a> content. The DevEdge content was mined for still-useful material, which was then migrated by volunteers into this wiki so it would be easier to update and maintain.</p>
<p>Since then, the project has continued growing and now forms a central nexus for all developer documentation related to the Mozilla Project and open web technologies. In 2010, the name was changed to Mozilla Developer Network; 2011 saw the addition of <a class="external" href="http://developer.mozilla.org/en-US/demos" title="https://developer.mozilla.org/en-US/demos/">Demo Studio</a> for web developers to share and show off their code, and <a class="external" href="http://developer.mozilla.org/en-US/learn" title="https://developer.mozilla.org/en-US/learn">Learning</a> pages to provide links to tutorials. (The name MDC lives on as "MDN Doc Center" for the documentation section.) In time, it is hoped that the Mozilla Developer Network will become a resource that web designers, application developers, and extension and theme writers visit on a regular basis.</p>
<h2 id="About_Mozilla">About Mozilla</h2>
<p>Whether you want to learn more about who we are, how to be a part of Mozilla or just where to find us, you've come to the right place. To find out what drives us and makes us different, please visit our <a href="http://www.mozilla.org/en-US/mission/">mission</a> page.</p>
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