Rendering partial in Rails using Javascript -

i developing social network in ruby on rails 3.

in post index view, displaying posts in loop ( or render partial ). render proper html page user.

<%= render @post %> 

now, want append new post in real time in page. 1 thing comes mind write javascript ( keep on appending html tags ) whenever want append new post in page , call function.

i sorry if may sound obvious facing problem every , then. know preferable method accomplish this?