js根据相同key合并生成子数组children（兼容ie10）

需要兼容ie10

function handlerDatas(arr){
  let tempArr = [];
  let resultData = [];
  for (let i = 0; i < arr.length; i++) {
	if (tempArr.indexOf(arr[i].name) === -1) {
	  resultData.push({
		name: arr[i].name,
		child: [arr[i]]
	  });
	  tempArr.push(arr[i].name);
	} else {
	  for (let j = 0; j < resultData.length; j++) {
		if (resultData[j].name == arr[i].name) {
		  resultData[j].child.push(arr[i]);
		  break;
		}
	  }
	}
  }
  return resultData
}
//把name改成需要合并的参数