使用$ for jQuery是完全安全的，它是jQuery的成语，at至少在你自己控制的页面上。

It's perfectly safe to use the $ for jQuery, it's the jQuery idiom, at least on your own pages which you control.

如果你确实选择在小部件中使用jQuery，你可以用一种方式来构建它以防止它发生冲突。

If you do choose to use jQuery in widgets you can structure it in a way that prevents it from conflicts.

一般来说，jQuery绑定到$和jQuery，所以单独使用jQuery并不能保证你的安全..

In general jQuery binds to both $ and jQuery so using jQuery alone does not guarantee you safey..

如果你担心的话与jQuery冲突确实暴露了$ .noConflit（）;
http://api.jquery.com/jQuery.noConflict/

If you are concerned with conflict jQuery does expose the $.noConflit(); http://api.jquery.com/jQuery.noConflict/

放弃对$的控制，你可以将jQuery存储在你选择的变量中（或者使用jQuery）。

Which relinquishes the control of $ and you can store jQuery in a variable of your choice (or use jQuery).

以下是基于***页面使用$符号的库，以及 ***答案：

Here are the libraries that use the $ sign based on the Wikipedia page and this *** answer:

扫描此页面时，唯一想到的是：

Scanning this page, the only ones that come to mind are:

1. jQuery - 提供jQuery.noConflict（）来释放$


2. 原型


3. MooTools

然而，jQuery以约90％的市场份额杀死它。

However jQuery is killing it with about 90% market share..

1. http://www.theregister.co.uk/2012/08/14/jquery_used_by_half_of_all_websites/


2. https://***.com/questions/176324/why-does-everyone-like-jquery-more-than-prototype-script-aculo-us-or-mootools-or

1. http://www.theregister.co.uk/2012/08/14/jquery_used_by_half_of_all_websites/
2. https://***.com/questions/176324/why-does-everyone-like-jquery-more-than-prototype-script-aculo-us-or-mootools-or