func.js

const kittens = [];
for(const cat of cats)
{
  if(cat.months < 7)
  {
    kittens.push(cat.name);
    if(kittens.length === limit)
      break;
  }
}


// versus 

const FUNC_NAME = (limit, predicate, list, i = 0, newList = []) => {
    const isDone = limit <= 0 || i >= list.length
    const isMatch = isDone ? undefined : predicate(list[i])
  
    return isDone  ? newList :
           isMatch ? FUNC_NAME(limit - 1, predicate, list, i + 1, [...newList, list[i]])
                   : FUNC_NAME(limit, predicate, list, i + 1, newList)
}