How to make Auto Complete Text Input (List) ?

[myfit]

Hi all, I want to make a Auto Complete Text Input like a list, it similar or the same as form post status of facebook in below picture, I known it can make by ajax and jQurey, so who know link demo, link guide, or example to make it, may be share for me to make reference, thank for help.
Here is example picture
http://i1095.photobucket.com/albums/i472/OLAKEN91/as_zpsd4476364.png

[pritaeas]

http://jqueryui.com/autocomplete/

[myfit]

Thank for advice, I will read it now