Javascript 我只希望console.log（）我的数据存在于我的MongoDB数据库中

我正在mongodb中的数据库中输入数据，并希望console.log（）输入的数据，但每当我尝试这样做时，我的数据都会进入console，但带有各种其他属性，我不需要这些属性。 我只想把输入的数据带到我的控制台上

const mongoose = require("mongoose");

mongoose
  .connect("mongodb://localhost/playground")
  .then(() => {
    console.log("database connected");
  })
  .catch(err => {
    console.log("Could not connect", err);
  });

const courseSchema = new mongoose.Schema({
  name: String,
  author: String,
  tags: [String],
  date: { type: Date, default: Date.now },
  isPublished: Boolean
});

// To Create a class of Course, we need to use the model method
const Course = mongoose.model("Course", courseSchema);

async function createCourse() {
  //Lets create a object to the Course class
  // Async Routine
  const course = new Course({
    name: "React Course",
    author: "Mosh",
    tags: ["FrontEnd", "React"],  
    isPublished: true
  });

  // Log Tree : Schema -> Model -> Class -> Object !....

  const result = await course.save();
  console.log(result);
}



async function getCourse() {
  const course = await Course.find();

//Bringing the data from the data base.  

  console.log(course);
}

getCourse();

我希望在控制台上显示的是（mongo数据库中的实际数据）

但我得到的是我的数据，但有了这些额外的信息：-

[
  model {
    '$__': InternalCache {
      strictMode: true,
      selected: {},
      shardval: undefined,
      saveError: undefined,
      validationError: undefined,
      adhocPaths: undefined,
      removing: undefined,
      inserting: undefined,
      version: undefined,
      getters: {},
      _id: 5e847c6e6ed0fa2c785647e4,
      populate: undefined,
      populated: undefined,
      wasPopulated: false,
      scope: undefined,
      activePaths: [StateMachine],
      pathsToScopes: {},
      ownerDocument: undefined,
      fullPath: undefined,
      emitter: [EventEmitter],
      '$options': true
    },
    isNew: false,
    errors: undefined,
    _doc: {
      tags: [Array],
      date: 2020-04-01T11:35:10.542Z,
      _id: 5e847c6e6ed0fa2c785647e4,
      name: 'Node Course',
      author: 'Mosh',
      isPublished: true,
      __v: 0
    },
    '$init': true
  },
  model {
    '$__': InternalCache {
      strictMode: true,
      selected: {},
      shardval: undefined,
      saveError: undefined,
      validationError: undefined,
      adhocPaths: undefined,
      removing: undefined,
      inserting: undefined,
      version: undefined,
      getters: {},
      _id: 5e84868970369f3a30e25270,
      populate: undefined,
      populated: undefined,
      wasPopulated: false,
      scope: undefined,
      activePaths: [StateMachine],
      pathsToScopes: {},
      ownerDocument: undefined,
      fullPath: undefined,
      emitter: [EventEmitter],
      '$options': true
    },
    isNew: false,
    errors: undefined,
    _doc: {
      tags: [Array],
      _id: 5e84868970369f3a30e25270,
      name: 'React Course',
      isPublished: true,
      __v: 0
    },
    '$init': true
  }
]

---

当我在console.log我的类时，我不希望这些额外的信息和我的数据一起出现

我明白问题所在。我正在运行mongoose 5.0.1，刚刚更新了mongoose包，它停止显示其他属性

我明白问题所在。我正在运行mongoose 5.0.1，刚刚更新了mongoose包，它停止显示其他属性

[
  model {
    '$__': InternalCache {
      strictMode: true,
      selected: {},
      shardval: undefined,
      saveError: undefined,
      validationError: undefined,
      adhocPaths: undefined,
      removing: undefined,
      inserting: undefined,
      version: undefined,
      getters: {},
      _id: 5e847c6e6ed0fa2c785647e4,
      populate: undefined,
      populated: undefined,
      wasPopulated: false,
      scope: undefined,
      activePaths: [StateMachine],
      pathsToScopes: {},
      ownerDocument: undefined,
      fullPath: undefined,
      emitter: [EventEmitter],
      '$options': true
    },
    isNew: false,
    errors: undefined,
    _doc: {
      tags: [Array],
      date: 2020-04-01T11:35:10.542Z,
      _id: 5e847c6e6ed0fa2c785647e4,
      name: 'Node Course',
      author: 'Mosh',
      isPublished: true,
      __v: 0
    },
    '$init': true
  },
  model {
    '$__': InternalCache {
      strictMode: true,
      selected: {},
      shardval: undefined,
      saveError: undefined,
      validationError: undefined,
      adhocPaths: undefined,
      removing: undefined,
      inserting: undefined,
      version: undefined,
      getters: {},
      _id: 5e84868970369f3a30e25270,
      populate: undefined,
      populated: undefined,
      wasPopulated: false,
      scope: undefined,
      activePaths: [StateMachine],
      pathsToScopes: {},
      ownerDocument: undefined,
      fullPath: undefined,
      emitter: [EventEmitter],
      '$options': true
    },
    isNew: false,
    errors: undefined,
    _doc: {
      tags: [Array],
      _id: 5e84868970369f3a30e25270,
      name: 'React Course',
      isPublished: true,
      __v: 0
    },
    '$init': true
  }
]