我可以在同一页面上使用多个版本的jQuery吗？
我正在开发的项目需要在客户的网页上使用jQuery。客户将插入我们将提供的一大块代码，其中包括一些< script> 元素，这些元素在< script>中构建一个小部件。 -created < iframe> 。如果他们还没有使用最新版本的jQuery，这还将包括（很可能）Google的托管版jQuery的< script> 。
A project I'm working on requires the use of jQuery on customers' Web pages. Customers will insert a chunk of code that we'll supply which includes a few <script> elements that build a widget in a <script>-created <iframe>. If they aren't already using the latest version of jQuery, this will also include (most likely) a <script> for Google's hosted version of jQuery.
问题是一些客户可能已经安装了旧版本的jQuery。虽然这可能有用，如果它至少是一个相当新的版本，我们的代码确实依赖于jQuery库中最近引入的一些功能，所以当客户的jQuery版本太旧时必然存在实例。我们不能要求他们升级到最新版本的jQuery。
The problem is that some customers may already have an older version of jQuery installed. While this may work if it's at least a fairly recent version, our code does rely on some recently introduced functionality in the jQuery library, so there are bound to be instances when a customer's jQuery version is just too old. We can't require that they upgrade to the latest version of jQuery.
有没有办法加载更新版本的jQuery只能在我们的代码上下文中使用，这不会干扰或影响客户页面上的任何代码？理想情况下，也许我们可以检查jQuery的存在，检测版本，如果它太旧，那么以某种方式加载最新版本只是用于我们的代码。
Is there any way to load a newer version of jQuery to use only within the context of our code, that will not interfere with, or affect, any code on the customer's page? Ideally, maybe we could check for the presence of jQuery, detect the version, and if it's too old, then somehow load the most recent version just to use for our code.
我有想法在客户的域中加载< iframe> 中的jQuery，其中还包括我们的< script> ，这似乎可能是可行的，但我希望有更优雅的方式来做到这一点（更不用说没有额外的< iframe> $ c的性能和复杂性惩罚$ c> s）。
I had the idea of loading jQuery in an <iframe> in the customer's domain that also includes our <script>, which seems like it might be feasible, but I'm hoping there's a more elegant way to do it (not to mention without the performance and complexity penalties of extra <iframe>s).
是的，由于jQuery的noconflict模式，它是可行的。 http://blog.nemikor.com/2009/ 10/03 / using-multiple-versions-of-jquery /
Yes, it's doable due to jQuery's noconflict mode. http://blog.nemikor.com/2009/10/03/using-multiple-versions-of-jquery/
<!-- load jQuery 1.1.3 -->
<script type="text/javascript" src="http://example.com/jquery-1.1.3.js"></script>
<script type="text/javascript">
var jQuery_1_1_3 = $.noConflict(true);
</script>
<!-- load jQuery 1.3.2 -->
<script type="text/javascript" src="http://example.com/jquery-1.3.2.js"></script>
<script type="text/javascript">
var jQuery_1_3_2 = $.noConflict(true);
</script>
然后，而不是 $（'＃selector'）。function（） ; ，你要做 jQuery_1_3_2（'＃selector'）。function（）; 或 jQuery_1_1_3（'＃selector '）。function（）; 。
Then, instead of $('#selector').function();, you'd do jQuery_1_3_2('#selector').function(); or jQuery_1_1_3('#selector').function();.