underscore/pluck()

第1引数のobjectの第2引数keyのvalueを配列で返す。
_.pluck(object, key);
	

(function(){
  let s1Obj = [
    {name: "aaa", score: 88},
    {name: "bbb", score: 77},
    {name: "ccc", score: 66}
  ];
  var s1 = _.pluck(s1Obj, "name");
  console.log(s1);//["aaa", "bbb", "ccc"]
})();