Node JS 从数组中删除特定对象（猫鼬）

Question

我有一个对象数组 - 列表[];和一个对象 - obj;

这是列表数组：

{
  _id: new ObjectId("61840c5ce237f22a1c7a1ac7"),
  name: 'list1',
  content: [ 'aaaa' ],
  description: 'aa',
  tags: [],
  lastmodified: 1,
  __v: 0
},{
  _id: new ObjectId("61840def80a88d1b2ffce400"),
  name: 'list',
  content: [ 'list!' ],
  description: 'test',
  tags: [],
  __v: 0
}

这是 obj 对象：

{
  _id: new ObjectId("61840def80a88d1b2ffce400"),
  name: 'list',
  content: [ 'list!' ],
  description: 'test',
  tags: [],
  __v: 0
}

简单问题：如何从“列表”中删除对象，类似于“obj”之一

Answer 1

使用某种过滤...这是一个想法。

items = [{
  _id: new ObjectId("61840c5ce237f22a1c7a1ac7"),
  name: 'list1',
  content: [ 'aaaa' ],
  description: 'aa',
  tags: [],
  lastmodified: 1,
  __v: 0
},{
  _id: new ObjectId("61840def80a88d1b2ffce400"),
  name: 'list',
  content: [ 'list!' ],
  description: 'test',
  tags: [],
  __v: 0
}]

removeID = "61840def80a88d1b2ffce400"

items = [item for item in items if item['id'] != removeID]

Answer 2

您可以使用 JavaScript Array.filter() 方法从列表中排除目标对象：

const list = [{
_id: new ObjectId("61840c5ce237f22a1c7a1ac7"),
  name: 'list1',
  content: [ 'aaaa' ],
  description: 'aa',
  tags: [],
  lastmodified: 1,
  __v: 0
},{
  _id: new ObjectId("61840def80a88d1b2ffce400"),
  name: 'list',
  content: [ 'list!' ],
  description: 'test',
  tags: [],
  __v: 0
}];

const targetObj = {
  _id: new ObjectId("61840def80a88d1b2ffce400"),
  name: 'list',
  content: [ 'list!' ],
  description: 'test',
  tags: [],
  __v: 0
};

const filteredList = list.filter((element) => element._id !== targetObj._id);