Like a Facebook Wall Post - Javascript -

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i'm developing facebook application retrieves specific facebook wall posts. want allow user "like" post within application using javascript sdk. know how accomplish this?

update:
issuing post request likes connection of post object need:

you can post issuing http post request post_id/likes connection publish_stream permission. no parameters necessary.

example: 

fb.api("/post_id/likes", 'post',function(response) {     if(response === true) {         alert("done!");     } });

the above request should return true on success.


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