删除与 javascript 重复的对象

Question

如果 ID 与 lodash _.uniqBy 相同，我正在尝试删除重复的对象。

或者这不一定是 lodash 或 _.uniqBy，但这可能吗？

而且id值总是动态的，所以这次我想用id:123删除对象，但其他时候会不同id

import _ from "lodash";

export default function App() {
  const samples = [
    { id: 123, name: "Dan", age: 10 },
    { id: 234, name: "Jake", age: 22 },
    { id: 123, name: "Jake", age: 9 }
  ];

  let uniq = _.uniqBy(samples, samples.name);

  console.log(uniq);
  return (
    <div className="App">
      {uniq.map((u) => (
        <p>{u.id}</p>
      ))}
      <h2>Start editing to see some magic happen!</h2>
    </div>
  );
}

或者您可以查看示例代码here

Answer 1

您只需提供属性名称，在您的情况下为 name。参见 _.uniqBy() docs。

const samples = [{
    id: 123,
    name: "Dan",
    age: 10
  },
  {
    id: 234,
    name: "Jake",
    age: 22
  },
  {
    id: 123,
    name: "Jake",
    age: 9
  }
];

const unique = _.uniqBy(samples, 'name');
console.log(unique);

.as-console-wrapper { max-height: 100% !important; top: 0; }

<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.21/lodash.min.js" integrity="sha512-WFN04846sdKMIP5LKNphMaWzU7YpMyCU245etK3g/2ARYbPK9Ub18eG+ljU96qKRCWh+quCY7yefSmlkQw1ANQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>

编辑

编辑问题时：如果你想让它对 id 唯一，你应该传递 "id" 而不是 "name"。

删除与 javascript 重复的对象

Remove objects if they are duplicated with javascript

javascript

arrays

object

lodash

reactjs

编辑