title: How can I push to Array in Object from Mongoose?
body: <p>This is my Schema in Model.</p>
  
  <pre><code>const applicantEvaluationSchema = new mongoose.Schema(
    {
      applicantIdx: Number,
      application: {
        comments: [
          {
            userIdx: Number,
            comment: String,
            createdAt: Date,
          },
        ],
        evaluations: [
          {
            userIdx: Number,
            point: Number,
          },
        ],
      },
      interview: {
        comments: [
          {
            userIdx: Number,
            comment: String,
            createdAt: Date,
          },
        ],
        evaluations: [
          {
            userIdx: Number,
            point: Number,
          },
        ],
      },
    }
  );
  </code></pre>
  
  <p>I wanna push comment in application.comments</p>
  
  <p>I got the idea that clone the Array, push my comment and update it</p>
  
  <p>but I think There's the better way to push the object.</p>
  
  <p>How can I solve it?</p>