包括最新版本的jQuery的最佳方法是什么? [英] What is the best way to include latest version of jQuery?

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我正在使用Wordpress开发站点，我想使用最新版本的jQuery.

I'm developing sites using Wordpress and I want to use the lates version of jQuery.

为确保使用最新版本，我从二进制盆景的例子.

To make sure I use the lates version, I have found this piece of code from Binary Bonsai's example.

我看到的是，他实际上是通过Google API链接到jQuery的.

What I see, is that he actually links to jQuery at Google API.

所以我的问题是，什么更好.

So my question is, what is better.

To link to jQuery on an external page?
http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js

还是将jquery文件保存在本地?
wp_enqueue_script('jquery', '/js/jquery-1.4.2.min.js');

or to have the jquery file locally?
wp_enqueue_script('jquery', '/js/jquery-1.4.2.min.js');

更新

Thanks to Colin, the answer is actually here:
Why should I use Google's CDN for jQuery?

但是为了防止您像我一样在搜索词中没有Google，我将复制约翰·吉岑(John Gietzen)的答案

But tjust in case you don't have Google in your search term, like me, I'll copy the answer from John Gietzen

It increases the parallelism available.
(Most browsers will only download 3 or 4 files at a time from any given site)

这会增加缓存命中的机会.
(随着更多的站点遵循这种做法，更多的用户已经准备好文件.)

It increases the chance that there will be a cache-hit.
(As more sites follow this practice, more users have the file already ready.)

它可确保有效载荷尽可能小.
(Google可以预gzip压缩文件，从而使下载时间非常短.)

It ensures that the payload will be as small as possible.
(Google can pre-gzip-compress the file, making the time-to-download very small.)

它减少了服务器使用的带宽量.
(Google基本上提供免费带宽.)

It reduces the amount of bandwidth used by the server.
(Google is basically offering free bandwidth.)

这可确保用户在地理位置上得到密切的响应.
(Google在世界范围内拥有服务器，从而进一步减少了延迟.)

It ensures that the user will get a geographically close response.
(Google has servers all over the world, further decreasing the latency.)