问如何在angularjs中转义HTML字符。我读过使用ng盲/ ng-sanitize来转义Html，但无法实现它。

EN

 <div class = "NgxEditor__Wrapper" >
                  <ngx-editor-menu [editor]="editor" [toolbar]="toolbar"> </ngx-editor-menu>
                  <ngx-editor [editor]="editor" required placeholder="Write Content" formControlName="contentData"> </ngx-editor>
                </div>
                <mat-error *ngIf="blogForm.get('contentData').hasError('required')">
                    Description is Required!
                </mat-error>

import { Component, OnInit, OnDestroy, ViewEncapsulation } from '@angular/core';
import { AbstractControl, FormControl, FormGroup } from '@angular/forms';
import { Validators, Editor, Toolbar } from 'ngx-editor';

@Component({
  selector: 'app-root',
  templateUrl: 'app.component.html',
  styleUrls: ['app.component.scss'],
  encapsulation: ViewEncapsulation.None,
 })
 export class AppComponent implements OnInit, OnDestroy {
 editor = new Editor;
 toolbar: Toolbar = [
   ['bold', 'italic'],
   ['underline', 'strike'],
   ['code', 'blockquote'],
   ['ordered_list', 'bullet_list'],
   [{ heading: ['h1', 'h2', 'h3', 'h4', 'h5', 'h6'] }],
   ['link', 'image'],
   ['text_color', 'background_color'],
   ['align_left', 'align_center', 'align_right', 'align_justify'],
  ];


 ngOnInit(): void {
   this.editor = new Editor();
 }

 ngOnDestroy(): void {
 this.editor.destroy();
}

initializeForm(){
this.blogForm =  this.fb.group({
  contentData: ['', Validators.required],
});

<p><strong><span style="color:rgb(0, 0, 0);"><span style="background- 
color:rgb(255, 255, 255);">Lorem</span></span></strong><span 
style="color:rgb(0, 0, 0);"><span style="background-color:rgb(255, 255