You might not need jQuery

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Author: Adam Schwartz

jQuery and its cousins are great, and by all means use them if it makes it easier to develop your application.

If you’re developing a library on the other hand, please take a moment to consider if you actually need jQuery as a dependency. Maybe you can include a few lines of utility code, and forgo the requirement. If you’re only targeting more modern browsers, you might not need anything more than what the browser ships with.

http://youmightnotneedjquery.com/