How to parse HTML from response in Angular?

Question

I do request to server and get JSON result:

{"result" => "HTML code"}

How to parse HTML code and get table from this response?

I tried to place this code to hidden block on the page:

<div #content>HTML code here from response</div>

What next? How to parse?

Possible duplicate of [How to render string with html tags in Angular 4+?](https://stackoverflow.com/questions/49013217/how-to-render-string-with-html-tags-in-angular-4) — nash11, Sep 18 '19 at 19:41
Possible duplicate of [Angular HTML binding](https://stackoverflow.com/questions/31548311/angular-html-binding) — Igor, Sep 18 '19 at 19:47

score 11 · Answer 1 · answered Sep 18 '19 at 19:44

11

import { Pipe, PipeTransform } from "@angular/core";
import { DomSanitizer } from "@angular/platform-browser";

@Pipe({name: 'sanitizeHtml'})
export class SafeHtmlPipe implements PipeTransform {
   constructor(private sanitized: DomSanitizer) {
   }
   transform(value: string) {
     return this.sanitized.bypassSecurityTrustHtml(value);
   }
}

Usage:
<div [innerHTML]="content | sanitizeHtml"></div> //Content is what you got from json

We should always santize the content to prevent any malicious activity with DOMSanitizer. So for that We can create a pipe as above and use it anywhere in app.

answered Sep 18 '19 at 19:44

Siddharth Pal

1,408
11
23

2

Aren't you bypassing the built-in sanitization here? – Andrew Richesson Mar 10 '22 at 15:30
to sanitize the HTML, in Angular 15: `this.sanitized.sanitize(SecurityContext.HTML, value)` – Woden Jan 15 '23 at 07:51

score 11 · Accepted Answer · answered Dec 30 '19 at 06:50

11

app.component.ts

import { Component } from '@angular/core';

@Component({
  selector: 'my-app',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
  name = 'Angular 5';
  demo: string = `<div>
 <p>I am Yogesh</p>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
  </div>`
}

app.component.html

<div [innerHTML]="demo"></div>

answered Dec 30 '19 at 06:50

Yogesh Waghmare

941
10
10

1

I would advise caution on using `innerHTML` as it can create memory leaks – Rip3rs Feb 25 '21 at 14:41
1

@JosephBriggs can you say what is the alternative so it's a bit more useful? thanks. – Zorkind Mar 09 '21 at 19:28

How to parse HTML from response in Angular?

2 Answers2