I Still Love jQuery — And You Should, Too.
Sam Oldenburg

Yes, jQuery is still Rock!
It reach over 80% of web sites in the world. 
No other js library or framework come even closer.

For navtive .each vs $.each check out the performance

For jquery .html() xss concern. Check their source.
jQuery already does the hard work for you.

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Also, jQuery make some HTML even bubbling that some browser doesn’t http://api.jquery.com/on/

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