FMars

<div class="news">
   some news1
   <button class="like" data-id="1">like</button>
</div>

<div class="news">
   some news2
   <button class="like" data-id="2">like</button>
</div>

$(document).on('click','.like',function(){
   id = $(this).attr('data-id');

   // твоя функция
   funcLike(id);
});