Downloading jQuery
Compressed and uncompressed copies of jQuery files are available. The uncompressed file is best used during development or debugging; the compressed file saves bandwidth and improves performance in production. You can also download a for use when debugging with a compressed file. The map file is not required for users to run jQuery, it just improves the developer's debugger experience. As of jQuery 1.11.0/2.1.0 the //# sourceMappingURL comment is in the compressed file.
To locally download these files, right-click the link and select "Save as..." from the menu.
jQuery
For help when upgrading jQuery, please see the most relevant to your version. We also recommend using the .
You can also use the slim version:
Downloading jQuery using npm
jQuery is registered as on . You can install the latest version of jQuery with the command:
| 1 | npm install jquery |
This will install jQuery in the node_modules directory. Within node_modules/jquery/dist/ you will find an uncompressed release, a compressed release, and a map file.
Downloading jQuery using Bower
jQuery is also registered as a package with . You can install the latest version of jQuery with the command:
| 1 | bower install jquery |
This will install jQuery to Bower's install directory, the default being bower_components. Within bower_components/jquery/dist/ you will find an uncompressed release, a compressed release, and a map file.
The jQuery Bower package contains additional files besides the default distribution. In most cases you can ignore these files, however if you wish to download the default release on its own you can use Bower to install jQuery from one of the above urls instead of the registered package. For example, if you wish to install just the compressed jQuery file, you can install just that file with the following command:
| 1 | bower install https://code.jquery.com/jquery-3.2.1.min.js |
jQuery Migrate Plugin
We have created the to simplify the transition from older versions of jQuery. The plugin restores deprecated features and behaviors so that older code will still run properly on newer versions of jQuery. Use the uncompressed development version to diagnose compatibility issues, it will generate warnings on the console that you can use to identify and fix problems. Use the compressed productionversion to simply fix compatibility issues without generating console warnings.
There are two versions of Migrate. The first will help you update your pre-1.9 jQuery code to jQuery 1.9 up to 3.0. You can get that version here:
The second version helps you update code to run on jQuery 3.0 or higher, once you have used Migrate 1.x and upgraded to jQuery 1.9 or higher:
Cross-Browser Testing with jQuery
Be sure to test web pages that use jQuery in all the browsers you want to support. The site makes available for testing many different versions of Internet Explorer. Older versions of other browsers can be found at .
jQuery Pre-Release Builds
The jQuery team is constantly working to improve the code. Each commit to the Github repo generates a work-in-progress version of the code that we update on the jQuery CDN. These versions are sometimes unstable and never suitable for production sites. We recommend they be used to determine whether a bug has already been fixed when reporting bugs against released versions, or to see if new bugs have been introduced.
Using jQuery with a CDN
can offer a performance benefit by hosting jQuery on servers spread across the globe. This also offers an advantage that if the visitor to your webpage has already downloaded a copy of jQuery from the same CDN, it won't have to be re-downloaded.
jQuery's CDN provided by
The jQuery CDN supports (SRI) which allows the browser to verify that the files being delivered have not been modified. This is currently being implemented by browsers. Adding the new integrity attribute will ensure your application gains this security improvement as browsers support it.
To use the jQuery CDN, just reference the file in the script tag directly from the jQuery CDN domain. You can get the complete script tag, including Subresource Integrity attribute, by visiting and clicking on the version of the file that you want to use. Copy and paste that tag into your HTML file.
Starting with jQuery 1.9, are available on the jQuery CDN. However, as of version 1.10.0/2.1.0 the compressed jQuery no longer includes the sourcemap comment in CDN copies because it requires the the uncompressed file and sourcemap file to be placed at the same location as the compressed file. If you are maintaining local copies and can control the locations all three files, you can add the sourcemap comment to the compressed file for easier debugging.
To see all available files and versions, visit
Other CDNs
The following CDNs also host compressed and uncompressed versions of jQuery releases. Starting with jQuery 1.9 they may also host ; check the site's documentation.
Note that there may be delays between a jQuery release and its availability there. Please be patient, they receive the files at the same time the blog post is made public. Beta and release candidates are not hosted by these CDNs.
About the Code
jQuery is provided under the .
The code is hosted and developed in the . If you've spotted some areas of code that could be improved, please feel free to discuss it on the . If you'd like to participate in developing jQuery, peruse our for more information.
To find and download plugins developed by jQuery contributors, please visit the . Plugin authors are responsible for maintenance of their plugins. Feedback on plugins should be directed to the plugin author, not the jQuery team.
Build from Git
Note: To just use the latest work-in-progress version of jQuery, please try the jQuery Pre-Release Build described above.
All source code is kept under Git revision control, which you can browse online. The repository's has more information on building and testing your own jQuery, as well as instructions on creating a custom build that excludes some APIs to reduce file size.
If you have access to Git, you can connect to the repository here:
| 1 | git clone git://github.com/jquery/jquery.git |
You can also check out and build a specific version of jQuery from GitHub:
| 1 2 | git clone git://github.com/jquery/jquery.git git checkout 1.2.6 |
Downloading jQuery
Compressed and uncompressed copies of jQuery files are available. The uncompressed file is best used during development or debugging; the compressed file saves bandwidth and improves performance in production. You can also download a for use when debugging with a compressed file. The map file is not用户运行所需jQuery,只是提高了开发人员的调试经验。 在jQuery 1.11.0/2.1.0 / / # sourceMappingURL 评论是 在压缩文件中。
本地下载这些文件,右键单击链接并选择“另存为… 从菜单中”。
jQuery
寻求帮助当升级jQuery,请参阅 与你最相关的版本。 我们也推荐使用 。
您还可以使用苗条版本:
下载jQuery使用npm
jQuery是注册为 在 。 你可以安装最新版本的jQuery命令:
| 1 | npm安装jquery |
这将安装jQuery node_modules 目录中。 在 node_modules / jquery / dist / 你会发现一个未压缩的版本,一个压缩版本,和一个映射文件。
下载jQuery使用鲍尔
jQuery还注册作为一个包 。 你可以安装最新版本的jQuery命令:
| 1 | 鲍尔安装jquery |
这将安装jQuery鲍尔的安装目录,默认 bower_components 。 在 bower_components / jquery / dist / 你会发现一个未压缩的版本,一个压缩版本,和一个映射文件。
jQuery鲍尔包包含额外的文件除了默认的分布。 在大多数情况下可以忽略这些文件,但是如果您希望下载默认版本的可以使用鲍尔安装jQuery从上面的url,而不是注册包。 例如,如果您希望安装jQuery的压缩文件,你可以安装,文件使用下面的命令:
| 1 | 鲍尔安装https: / /code.jquery.com/jquery-3.2.1.min.js |
jQuery插件迁移
我们创建了 从老版本的jQuery来简化转变。 插件恢复弃用功能和行为,这样老代码仍将jQuery的较新版本上运行正常。 使用 未压缩的发展 版本兼容性问题诊断,它将生成警告控制台,您可以用它来识别和解决问题。 使用 压缩生产 版本简单地解决兼容性问题,没有生成控制台警告。
有两个版本的迁移。 第一个将帮助您更新您的pre - 1.9 jQuery代码jQuery 1.9到3.0。 在这里你可以得到这个版本:
第二个版本可以帮助你更新代码运行在jQuery 3.0或更高版本, 一旦你使用迁移1。 x和升级到jQuery 1.9或更高版本 :
与jQuery跨浏览器测试
一定要在所有的浏览器中测试网页,使用jQuery你想支持。 的 网站提供 用于测试许多不同版本的Internet Explorer。 可以发现旧版本的浏览器 。
jQuery预发行版本
jQuery团队不断努力改善代码。 每个提交到Github回购生成一个工作版本的代码,我们更新jQuery的CDN。 这些版本有时不稳定,不适合生产基地。 我们建议他们被用来决定是否一个bug报告bug时已经固定的发布版本,或是否已引入新的错误。
使用jQuery的CDN
可以通过在服务器上托管jQuery提供性能优势在全球范围内传播。 这也提供了一个优势,如果用户访问你的网页已经下载jQuery从同一CDN的副本,它不会重新下载。
jQuery提供的CDN
jQuery CDN支持 (SRI),允许浏览器确认交付的文件没有被修改。 这 目前正在实施的浏览器。 添加新属性完整性将确保您的应用程序获得这个安全改进浏览器都支持它。
使用jQuery CDN,只是参考的文件直接从jQuery脚本标记CDN域。 你可以得到完整的脚本标记,包括子资源整体属性,通过访问 ,点击您想要使用的版本的文件。 标签复制并粘贴到您的HTML文件。
从jQuery 1.9开始, jQuery CDN上都是可用的。 然而,随着版本1.10.0/2.1.0压缩jQuery不再包含在CDN副本sourcemap评论,因为它需要的未压缩的文件和sourcemap文件压缩文件放置在相同的位置。 如果你是维护本地副本,可以控制这三个文件的位置,您可以添加sourcemap评论到压缩文件更易于调试。
看到所有可用的文件和版本,请访问
其他发布商
以下发布商也主机压缩和未压缩版本的jQuery版本。 jQuery 1.9开始他们也可能主机 ; 检查网站的文档。
请注意,可能会有延迟jQuery版本及其可用性之间。 请耐心等待,他们收到文件同时博客是公开。 β和候选版本不是由这些发布商。
关于代码
jQuery提供下 。
托管代码和开发的 。 如果你发现了一些地区的可以改进的代码,请在讨论它 。 如果你想参与开发jQuery,我们细读 为更多的信息。
查找和下载jQuery插件开发的贡献者,请访问 。 插件作者负责维护他们的插件。 反馈插件应该针对插件作者,不是jQuery团队。
构建从Git
注意: 使用jQuery的最新工作版本,请上述jQuery预发布构建。
所有的源代码保持Git版本控制下,你可以在网上浏览。 存储库的 有更多的信息构建和测试自己的jQuery,以及指示创建一个自定义构建,排除了一些api来减少文件大小。
如果你访问Git,你可以连接到存储库:
| 1 | git克隆git:/ /github.com/jquery/jquery.git |
你也可以看看,建立一个特定版本的jQuery从GitHub:
| 1 2 | git clone git://github.com/jquery/jquery.git git checkout 1.2.6 |
The README file for a specific version will have instructions for building that version, as the process has changed over time.
The README file for a specific version will have instructions for building that version, as the process has changed over time.
Past Releases
All past releases can be found on the .