Javascript r反馈@adam.k。我做了调整，得到了空的对象？请为我键入它应该是if（arr[I].name.length）谢谢@adam.k的反馈。我做了调整并且得到了空对象？为我键入它也应该是if（arr[I].name.length）谢谢你的信息，我做了调整，它

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r反馈@adam.k。我做了调整，得到了空的对象？请为我键入它应该是

if（arr[I].name.length）

谢谢@adam.k的反馈。我做了调整并且得到了空对象？为我键入它也应该是

if（arr[I].name.length）

谢谢你的信息，我做了调整，它给了我未定义的对象？我键入了一个错误。应该是

return instructors[maxIndex]

谢谢你提供的信息，我做了调整，它给了我未定义的信息？我输入了一个错误。它应该是

返回讲师[maxIndex]

const instructorWithLongestName = function(instructors) {
  var long1 = 0;
  var maxIndex = 0;
  var arr = instructors;
  for (i=0; i<arr.length; i++){
      if (arr[i].name.length > long1){
        long1= arr[i].name.length;
        maxIndex= i;
      }
  }
  return instructors[i];
}
console.log(instructorWithLongestName([
  {name: "Samuel", course: "iOS"},
  {name: "Jeremiah", course: "Web"},
  {name: "Ophilia", course: "Web"},
  {name: "Donald", course: "Web"}
]));
console.log(instructorWithLongestName([
  {name: "Matthew", course: "Web"},
  {name: "David", course: "iOS"},
  {name: "Domascus", course: "Web"}
]));

      var long1 = 0;
      var longNameObj = {}
      var arr = instructors;
      for (i=0; i<arr.length; i++){
          if (arr[i].name.length > long1){
            long1= arr[i].name.length;
            longNameObj = arr[i]
          }
      }
      return longNameObj
    }
EDIT: fix typo

const instructorWithLongestName = function(instructors) {
    let max_length_el = instructors[0];
    for(let i=1;i<instructors.length;i++)
    {
    if(instructors[i].name.length>max_length_el.name.length){
        max_length_el = instructors[i];     
    }
  }
  return max_length_el;
}