Ajax

https://tutsplus.com/?s=jquery&post_type=all&q=true&filter_topic=35
http://net.tutsplus.com/tutorials/javascript-ajax/5-ways-to-make-ajax-calls-with-jquery/
http://anyorigin.com/

http://pastebin.com/pBJKmQw9

https://www.google.com.vn/search?q=google&oq=goo&aqs=chrome.1.69i57j0j69i65l3j0.5846j0j4&sourceid=chrome&espv=210&es_sm=93&ie=UTF-8#es_sm=93&espv=210&q=http:%2F%2Fanyorigin.com%2F

http://learn.jquery.com/ajax/ajax-events/