I want the code for "Facebook like this"

Question

Hi,

I want the code for Facebook "like"  button

When the user clicks the "like" button ,beside that we can see the facebook symbol "f  people like this".

I had tried in the below link
developers.facebook.com/docs/reference/plugins/like

I had tried but I can't  get the absolute code

Plz send me the code

Image had also been attached.