Angular - Comment form - Not getting value from textarea.

<form (submit)="onSubmit()">
    <div>
        <label for="name">Name</label>
        <input type="text" name="name" [(ngModel)]="name">
    </div>
    <div>
        <label for="comment">Comment</label>
        <textarea name="comment"></textarea>
    </div>
    <div>
        <button>Submit</button>
    </div>
</form>

import { Component, EventEmitter } from "@angular/core";

@Component({
    selector: 'app-entry-comment-form',
    templateUrl: 'entry-comment-form.component.html'
})

export class EntryCommentFormComponent {
    name: string = "";
    comment: string = "";
    onCommentAdded = new EventEmitter<{name: string, comment: string;}>();
    onSubmit() {
        let comment = { name: this.name, comment: this.comment };
        debugger;
        this.onCommentAdded.emit(comment);
    }
}